diff --git a/ga-api/src/main/java/com/ga/api/controller/upload/UploadController.java b/ga-api/src/main/java/com/ga/api/controller/upload/UploadController.java
index f153bba..5d3eb4b 100644
--- a/ga-api/src/main/java/com/ga/api/controller/upload/UploadController.java
+++ b/ga-api/src/main/java/com/ga/api/controller/upload/UploadController.java
@@ -1,7 +1,10 @@
 package com.ga.api.controller.upload;
 
+import com.ga.api.service.upload.TargetFieldMetaService;
+import com.ga.api.service.upload.TargetFieldMetaService.TargetFieldMeta;
 import com.ga.api.service.upload.UploadResultResp;
 import com.ga.api.service.upload.UploadService;
+import com.ga.api.service.upload.UploadService.ExcelHeaderResp;
 import com.ga.common.annotation.RequirePermission;
 import com.ga.common.model.ApiResponse;
 import io.swagger.v3.oas.annotations.Operation;
@@ -19,6 +22,7 @@ import java.util.Map;
 public class UploadController {
 
     private final UploadService uploadService;
+    private final TargetFieldMetaService metaService;
 
     @Operation(summary = "엑셀 업로드 처리",
                description = "templateCode 에 해당하는 템플릿으로 파일을 파싱 · 변환 · 배치 INSERT 한다.")
@@ -31,7 +35,7 @@ public class UploadController {
     }
 
     @Operation(summary = "업로드 미리보기 (상위 5행)",
-               description = "DB 에 저장하지 않고 변환 결과만 반환한다. limit 파라미터로 행 수 조정 가능.")
+               description = "DB 에 저장하지 않고 변환 결과만 반환한다.")
     @PostMapping("/api/upload-templates/{templateCode}/preview")
     @RequirePermission(menu = "SYSTEM_UPLOAD_TEMPLATE", perm = "READ")
     public ApiResponse<List<Map<String, Object>>> preview(
@@ -41,4 +45,32 @@ public class UploadController {
         List<Map<String, Object>> rows = uploadService.preview(templateCode, file, limit);
         return ApiResponse.ok(rows);
     }
+
+    @Operation(summary = "샘플 엑셀 헤더 추출",
+               description = "템플릿 등록 전에 샘플 파일 첫 행 헤더 + 미리보기 행을 추출한다. " +
+                             "프론트는 이 결과로 sourceColumn(A,B,C..) + sourceHeader 를 자동 채운다.")
+    @PostMapping("/api/upload-templates/excel-headers")
+    @RequirePermission(menu = "SYSTEM_UPLOAD_TEMPLATE", perm = "READ")
+    public ApiResponse<ExcelHeaderResp> extractHeaders(
+            @RequestParam("file") MultipartFile file,
+            @RequestParam(value = "headerRow",   defaultValue = "1") int headerRow,
+            @RequestParam(value = "sheetIndex",  defaultValue = "0") int sheetIndex,
+            @RequestParam(value = "previewRows", defaultValue = "5") int previewRows) {
+        return ApiResponse.ok(uploadService.extractHeaders(file, headerRow, sheetIndex, previewRows));
+    }
+
+    @Operation(summary = "target_table 별 사용 가능한 컬럼 메타",
+               description = "프론트의 target_field Select 옵션 + 타입 자동 채우기에 사용한다.")
+    @GetMapping("/api/upload-templates/target-fields/{targetTable}")
+    @RequirePermission(menu = "SYSTEM_UPLOAD_TEMPLATE", perm = "READ")
+    public ApiResponse<List<TargetFieldMeta>> targetFields(@PathVariable String targetTable) {
+        return ApiResponse.ok(metaService.getFields(targetTable));
+    }
+
+    @Operation(summary = "사용 가능한 target_table 목록")
+    @GetMapping("/api/upload-templates/target-tables")
+    @RequirePermission(menu = "SYSTEM_UPLOAD_TEMPLATE", perm = "READ")
+    public ApiResponse<List<String>> targetTables() {
+        return ApiResponse.ok(metaService.getAvailableTables());
+    }
 }
diff --git a/ga-api/src/main/java/com/ga/api/service/upload/TargetFieldMetaService.java b/ga-api/src/main/java/com/ga/api/service/upload/TargetFieldMetaService.java
new file mode 100644
index 0000000..8d81751
--- /dev/null
+++ b/ga-api/src/main/java/com/ga/api/service/upload/TargetFieldMetaService.java
@@ -0,0 +1,137 @@
+package com.ga.api.service.upload;
+
+import com.ga.common.exception.BizException;
+import com.ga.common.exception.ErrorCode;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+import java.util.Map;
+
+/**
+ * 업로드 템플릿의 target_table 별로 사용 가능한 컬럼(target_field) 메타데이터.
+ * 화이트리스트 역할 + 프론트 Select 옵션 제공.
+ */
+@Service
+public class TargetFieldMetaService {
+
+    public record TargetFieldMeta(
+            String field,        // DB 컬럼명 (e.g. policy_no)
+            String label,        // 한글 표시명
+            String type,         // STRING / NUMBER / DECIMAL / DATE / INTEGER
+            boolean required) {}
+
+    private static final Map<String, List<TargetFieldMeta>> META = Map.of(
+            "recruit_ledger", List.of(
+                    new TargetFieldMeta("policy_no",       "증권번호",       "STRING",  true),
+                    new TargetFieldMeta("agent_id",        "설계사ID",       "INTEGER", false),
+                    new TargetFieldMeta("contract_id",     "계약ID",         "INTEGER", false),
+                    new TargetFieldMeta("company_code",    "보험사코드",     "STRING",  false),
+                    new TargetFieldMeta("product_code",    "상품코드",       "STRING",  false),
+                    new TargetFieldMeta("insurance_type",  "보험종류",       "STRING",  false),
+                    new TargetFieldMeta("commission_year", "회차",           "INTEGER", false),
+                    new TargetFieldMeta("premium",         "보험료",         "DECIMAL", true),
+                    new TargetFieldMeta("pay_method",      "납입주기",       "STRING",  false),
+                    new TargetFieldMeta("company_rate",    "회사율(%)",      "DECIMAL", false),
+                    new TargetFieldMeta("company_amount",  "회사수수료",     "DECIMAL", true),
+                    new TargetFieldMeta("payout_rate",     "지급율(%)",      "DECIMAL", false),
+                    new TargetFieldMeta("agent_amount",    "설계사수수료",   "DECIMAL", false),
+                    new TargetFieldMeta("settle_month",    "정산월",         "STRING",  true),
+                    new TargetFieldMeta("status",          "상태",           "STRING",  false)
+            ),
+            "maintain_ledger", List.of(
+                    new TargetFieldMeta("policy_no",       "증권번호",       "STRING",  true),
+                    new TargetFieldMeta("agent_id",        "설계사ID",       "INTEGER", false),
+                    new TargetFieldMeta("contract_id",     "계약ID",         "INTEGER", false),
+                    new TargetFieldMeta("company_code",    "보험사코드",     "STRING",  false),
+                    new TargetFieldMeta("product_code",    "상품코드",       "STRING",  false),
+                    new TargetFieldMeta("insurance_type",  "보험종류",       "STRING",  false),
+                    new TargetFieldMeta("commission_year", "회차",           "INTEGER", true),
+                    new TargetFieldMeta("premium",         "보험료",         "DECIMAL", true),
+                    new TargetFieldMeta("company_amount",  "회사수수료",     "DECIMAL", true),
+                    new TargetFieldMeta("agent_amount",    "설계사수수료",   "DECIMAL", false),
+                    new TargetFieldMeta("settle_month",    "정산월",         "STRING",  true)
+            ),
+            "contract", List.of(
+                    new TargetFieldMeta("policy_no",       "증권번호",       "STRING",  true),
+                    new TargetFieldMeta("agent_id",        "설계사ID",       "INTEGER", true),
+                    new TargetFieldMeta("product_id",      "상품ID",         "INTEGER", true),
+                    new TargetFieldMeta("contractor_name", "계약자",         "STRING",  false),
+                    new TargetFieldMeta("insured_name",    "피보험자",       "STRING",  false),
+                    new TargetFieldMeta("premium",         "보험료",         "DECIMAL", false),
+                    new TargetFieldMeta("pay_cycle",       "납입주기",       "STRING",  false),
+                    new TargetFieldMeta("contract_date",   "계약일",         "DATE",    true),
+                    new TargetFieldMeta("effective_date",  "효력발생일",     "DATE",    false),
+                    new TargetFieldMeta("status",          "상태",           "STRING",  false)
+            ),
+            "agent", List.of(
+                    new TargetFieldMeta("agent_name",  "설계사명",   "STRING",  true),
+                    new TargetFieldMeta("license_no",  "사번",       "STRING",  false),
+                    new TargetFieldMeta("org_id",      "조직ID",     "INTEGER", true),
+                    new TargetFieldMeta("grade_id",    "직급ID",     "INTEGER", true),
+                    new TargetFieldMeta("phone",       "전화번호",   "STRING",  false),
+                    new TargetFieldMeta("email",       "이메일",     "STRING",  false),
+                    new TargetFieldMeta("bank_code",   "은행코드",   "STRING",  false),
+                    new TargetFieldMeta("account_no",  "계좌번호",   "STRING",  false),
+                    new TargetFieldMeta("status",      "상태",       "STRING",  false),
+                    new TargetFieldMeta("join_date",   "입사일",     "DATE",    false)
+            ),
+            "commission_rate", List.of(
+                    new TargetFieldMeta("product_id",      "상품ID",         "INTEGER", true),
+                    new TargetFieldMeta("commission_year", "회차",           "INTEGER", true),
+                    new TargetFieldMeta("rate_pct",        "수수료율(%)",    "DECIMAL", true),
+                    new TargetFieldMeta("pay_method_cond", "납입조건",       "STRING",  false),
+                    new TargetFieldMeta("min_premium",     "최소보험료",     "DECIMAL", false),
+                    new TargetFieldMeta("effective_from",  "적용시작",       "DATE",    true),
+                    new TargetFieldMeta("effective_to",    "적용종료",       "DATE",    false)
+            ),
+            "payout_rule", List.of(
+                    new TargetFieldMeta("grade_id",        "직급ID",         "INTEGER", true),
+                    new TargetFieldMeta("insurance_type",  "보험종류",       "STRING",  true),
+                    new TargetFieldMeta("commission_year", "회차",           "INTEGER", true),
+                    new TargetFieldMeta("payout_pct",      "지급율(%)",      "DECIMAL", true),
+                    new TargetFieldMeta("pay_method_cond", "납입조건",       "STRING",  false),
+                    new TargetFieldMeta("performance_grade","실적등급",      "STRING",  false),
+                    new TargetFieldMeta("effective_from",  "적용시작",       "DATE",    true)
+            ),
+            "chargeback_rule", List.of(
+                    new TargetFieldMeta("company_code",    "보험사코드",     "STRING",  true),
+                    new TargetFieldMeta("insurance_type",  "보험종류",       "STRING",  true),
+                    new TargetFieldMeta("lapse_month_from","실효시작월",     "INTEGER", true),
+                    new TargetFieldMeta("lapse_month_to",  "실효종료월",     "INTEGER", true),
+                    new TargetFieldMeta("cb_rate",         "환수율(%)",      "DECIMAL", true),
+                    new TargetFieldMeta("include_override","오버라이드포함", "STRING",  false)
+            ),
+            "exception_ledger", List.of(
+                    new TargetFieldMeta("agent_id",       "설계사ID",       "INTEGER", true),
+                    new TargetFieldMeta("exception_code", "예외코드",       "STRING",  true),
+                    new TargetFieldMeta("amount",         "금액",           "DECIMAL", true),
+                    new TargetFieldMeta("settle_month",   "정산월",         "STRING",  true),
+                    new TargetFieldMeta("policy_no",      "증권번호",       "STRING",  false),
+                    new TargetFieldMeta("description",    "내용",           "STRING",  false)
+            ),
+            "payment", List.of(
+                    new TargetFieldMeta("settle_id",   "정산ID",     "INTEGER", true),
+                    new TargetFieldMeta("agent_id",    "설계사ID",   "INTEGER", true),
+                    new TargetFieldMeta("pay_month",   "지급월",     "STRING",  true),
+                    new TargetFieldMeta("net_amount",  "지급액",     "DECIMAL", true),
+                    new TargetFieldMeta("bank_code",   "은행코드",   "STRING",  false),
+                    new TargetFieldMeta("account_no",  "계좌번호",   "STRING",  false)
+            )
+    );
+
+    public List<TargetFieldMeta> getFields(String targetTable) {
+        if (targetTable == null) {
+            throw new BizException(ErrorCode.INVALID_PARAMETER, "target_table 누락");
+        }
+        List<TargetFieldMeta> fields = META.get(targetTable);
+        if (fields == null) {
+            throw new BizException(ErrorCode.INVALID_PARAMETER,
+                    "허용되지 않은 target_table: " + targetTable + " (가능: " + META.keySet() + ")");
+        }
+        return fields;
+    }
+
+    public List<String> getAvailableTables() {
+        return List.copyOf(META.keySet());
+    }
+}
diff --git a/ga-api/src/main/java/com/ga/api/service/upload/UploadService.java b/ga-api/src/main/java/com/ga/api/service/upload/UploadService.java
index 5375b5d..5c7409a 100644
--- a/ga-api/src/main/java/com/ga/api/service/upload/UploadService.java
+++ b/ga-api/src/main/java/com/ga/api/service/upload/UploadService.java
@@ -223,6 +223,86 @@ public class UploadService {
         return result;
     }
 
+    /**
+     * 샘플 엑셀에서 헤더(첫 행) + 미리보기 행 추출. 템플릿 등록 전에 사용.
+     * @param file       엑셀 파일
+     * @param headerRow  헤더가 있는 행 번호 (1-base, 보통 1)
+     * @param sheetIndex 시트 인덱스 (0-base)
+     * @param previewRows 헤더 다음 N행을 함께 반환
+     */
+    public ExcelHeaderResp extractHeaders(MultipartFile file, int headerRow, int sheetIndex, int previewRows) {
+        List<String> headers = new ArrayList<>();
+        List<List<String>> samples = new ArrayList<>();
+        try (InputStream is = file.getInputStream();
+             Workbook wb = StreamingReader.builder()
+                     .rowCacheSize(50).bufferSize(4096).open(is)) {
+
+            Sheet sheet = wb.getSheetAt(sheetIndex);
+            int rowNum = 0;
+            for (Row row : sheet) {
+                rowNum++;
+                if (rowNum == headerRow) {
+                    short last = row.getLastCellNum();
+                    for (int i = 0; i < last; i++) {
+                        var cell = row.getCell(i);
+                        headers.add(cell != null ? safeStringValue(cell) : "");
+                    }
+                } else if (rowNum > headerRow && samples.size() < previewRows) {
+                    List<String> rowVals = new ArrayList<>();
+                    for (int i = 0; i < headers.size(); i++) {
+                        var cell = row.getCell(i);
+                        rowVals.add(cell != null ? safeStringValue(cell) : "");
+                    }
+                    samples.add(rowVals);
+                }
+                if (rowNum > headerRow + previewRows) break;
+            }
+        } catch (Exception e) {
+            log.error("extractHeaders error", e);
+            throw new BizException(ErrorCode.EXCEL_PARSE_FAIL, e.getMessage());
+        }
+
+        // 엑셀 컬럼 라벨 (A, B, C, ... AA, AB ...)
+        List<String> columnLabels = new ArrayList<>();
+        for (int i = 0; i < headers.size(); i++) columnLabels.add(toColumnLabel(i));
+
+        return new ExcelHeaderResp(columnLabels, headers, samples);
+    }
+
+    private String safeStringValue(org.apache.poi.ss.usermodel.Cell cell) {
+        try {
+            CellType type = cell.getCellType();
+            return switch (type) {
+                case NUMERIC -> cell.getNumericCellValue() == Math.floor(cell.getNumericCellValue())
+                                ? String.valueOf((long) cell.getNumericCellValue())
+                                : String.valueOf(cell.getNumericCellValue());
+                case BOOLEAN -> String.valueOf(cell.getBooleanCellValue());
+                case FORMULA -> cell.getCellFormula();
+                case BLANK   -> "";
+                default      -> cell.getStringCellValue();
+            };
+        } catch (Exception e) {
+            return "";
+        }
+    }
+
+    /** 0 → A, 25 → Z, 26 → AA */
+    private String toColumnLabel(int index) {
+        StringBuilder sb = new StringBuilder();
+        int n = index;
+        while (n >= 0) {
+            sb.insert(0, (char) ('A' + (n % 26)));
+            n = n / 26 - 1;
+        }
+        return sb.toString();
+    }
+
+    public record ExcelHeaderResp(
+            List<String> columns,        // ["A","B","C",...]
+            List<String> headers,        // ["증권번호","설계사명",...]
+            List<List<String>> samples   // 첫 N행
+    ) {}
+
     // ============================================================
     // 내부 헬퍼
     // ============================================================
diff --git a/ga-frontend/src/api/uploadTemplate.ts b/ga-frontend/src/api/uploadTemplate.ts
index 2ba30c5..c51f36b 100644
--- a/ga-frontend/src/api/uploadTemplate.ts
+++ b/ga-frontend/src/api/uploadTemplate.ts
@@ -104,6 +104,21 @@ export interface PreviewRowResp {
   [field: string]: unknown;
 }
 
+/** 샘플 엑셀 헤더 추출 응답 */
+export interface ExcelHeaderResp {
+  columns: string[];           // ['A','B','C',...]
+  headers: string[];           // ['증권번호','설계사명',...]
+  samples: string[][];         // 첫 N행
+}
+
+/** target_table 별 사용 가능한 컬럼 메타 */
+export interface TargetFieldMeta {
+  field: string;       // policy_no
+  label: string;       // 증권번호
+  type: string;        // STRING/NUMBER/DECIMAL/DATE/INTEGER
+  required: boolean;
+}
+
 export const uploadTemplateApi = {
   list: (params: UploadTemplateQueryParams) =>
     unwrap<PageResponse<UploadTemplateResp>>(api.get('/api/upload-templates', { params })),
@@ -148,4 +163,24 @@ export const uploadTemplateApi = {
       }),
     );
   },
+
+  /** 샘플 엑셀 → 헤더 + 미리보기 행 자동 추출 (등록 전 매핑 자동 채우기용) */
+  extractHeaders: (file: File, headerRow = 1, sheetIndex = 0, previewRows = 5) => {
+    const fd = new FormData();
+    fd.append('file', file);
+    return unwrap<ExcelHeaderResp>(
+      api.post('/api/upload-templates/excel-headers', fd, {
+        headers: { 'Content-Type': 'multipart/form-data' },
+        params: { headerRow, sheetIndex, previewRows },
+      }),
+    );
+  },
+
+  /** target_table 별 사용 가능한 DB 컬럼 (target_field Select 옵션) */
+  targetFields: (targetTable: string) =>
+    unwrap<TargetFieldMeta[]>(api.get(`/api/upload-templates/target-fields/${targetTable}`)),
+
+  /** 사용 가능한 target_table 목록 */
+  targetTables: () =>
+    unwrap<string[]>(api.get('/api/upload-templates/target-tables')),
 };
diff --git a/ga-frontend/src/pages/system/UploadTemplateManager.tsx b/ga-frontend/src/pages/system/UploadTemplateManager.tsx
index a7a1929..6a506eb 100644
--- a/ga-frontend/src/pages/system/UploadTemplateManager.tsx
+++ b/ga-frontend/src/pages/system/UploadTemplateManager.tsx
@@ -9,7 +9,7 @@ import { ProCard, ProTable, ModalForm, ProFormText, ProFormSelect,
 import { useQuery, useQueryClient } from '@tanstack/react-query';
 import {
   IconPlus, IconEdit, IconTrash, IconHistory, IconEye, IconDeviceFloppy,
-  IconArrowUp, IconArrowDown,
+  IconArrowUp, IconArrowDown, IconWand, IconUpload,
 } from '@tabler/icons-react';
 import PageContainer from '@/components/common/PageContainer';
 import PermissionButton from '@/components/common/PermissionButton';
@@ -19,6 +19,8 @@ import {
   type UploadTemplateResp,
   type UploadTemplateColumnVO,
   type UploadTemplateSaveReq,
+  type TargetFieldMeta,
+  type ExcelHeaderResp,
 } from '@/api/uploadTemplate';
 
 const { Text } = Typography;
@@ -301,6 +303,8 @@ function ColumnEditor({ template, onSaved }: {
   const [loading, setLoading] = useState(false);
   const [saving, setSaving] = useState(false);
   const [showPreview, setShowPreview] = useState(false);
+  const [headerSample, setHeaderSample] = useState<ExcelHeaderResp | null>(null);
+  const sampleInputRef = useRef<HTMLInputElement>(null);
 
   // 선택된 템플릿 변경 시 컬럼 로드
   useQuery({
@@ -309,6 +313,57 @@ function ColumnEditor({ template, onSaved }: {
     onSuccess: (data: UploadTemplateColumnVO[]) => setRows(toRows(data)),
   } as Parameters<typeof useQuery>[0]);
 
+  // target_table 별 사용 가능한 컬럼 메타 (target_field Select 옵션)
+  const { data: targetFields = [] } = useQuery<TargetFieldMeta[]>({
+    queryKey: ['uploadTemplate', 'targetFields', template.targetTable],
+    queryFn:  () => uploadTemplateApi.targetFields(template.targetTable),
+    enabled:  !!template.targetTable,
+  });
+  const targetFieldOptions = targetFields.map((f) => ({
+    value: f.field,
+    label: `${f.label} (${f.field})${f.required ? ' *' : ''}`,
+    type:  f.type,
+  }));
+  const targetFieldTypeMap: Record<string, string> = Object.fromEntries(
+    targetFields.map((f) => [f.field, f.type]),
+  );
+
+  /** 샘플 엑셀 업로드 → 헤더 추출 → 비어있으면 자동 채움 / 있으면 사용자 확인 후 덮어쓰기 */
+  const onSampleFile = async (file: File) => {
+    try {
+      const meta = await uploadTemplateApi.extractHeaders(file, template.headerRow ?? 1, template.sheetIndex ?? 0, 5);
+      setHeaderSample(meta);
+
+      const apply = () => {
+        // headers 의 길이만큼 행 생성 (sourceColumn=A,B,C, sourceHeader=헤더명)
+        const newRows: ColumnRow[] = meta.headers.map((h, idx) => ({
+          _key: makeKey(),
+          sortOrder: idx + 1,
+          sourceType: 'COLUMN_INDEX',
+          sourceColumn: meta.columns[idx],
+          sourceHeader: h,
+          targetField: '',     // 사용자가 Select 로 선택
+          targetType: 'STRING',
+        }));
+        setRows(newRows);
+        message.success(`${meta.headers.length}개 컬럼이 자동 추출되었습니다. 대상 필드만 선택해주세요.`);
+      };
+
+      if (rows.length > 0) {
+        Modal.confirm({
+          title: '기존 매핑이 덮어쓰기 됩니다',
+          content: `현재 ${rows.length}개 매핑이 있습니다. 샘플 엑셀의 ${meta.headers.length}개 컬럼으로 교체하시겠습니까?`,
+          okText: '교체', okType: 'danger',
+          onOk: apply,
+        });
+      } else {
+        apply();
+      }
+    } catch {
+      // request.ts interceptor 가 토스트 표시
+    }
+  };
+
   const updateCell = (key: string, field: keyof UploadTemplateColumnVO, value: unknown) => {
     setRows((prev) =>
       prev.map((r) => (r._key === key ? { ...r, [field]: value } : r)),
@@ -366,13 +421,35 @@ function ColumnEditor({ template, onSaved }: {
     <div style={{ display: 'flex', flexDirection: 'column', height: '100%' }}>
       {/* 헤더 */}
       <div style={{ display: 'flex', alignItems: 'center', justifyContent: 'space-between', marginBottom: 12 }}>
-        <Space>
+        <Space wrap>
           <Text strong>{template.templateName}</Text>
           <Tag>{template.templateCode}</Tag>
           <Tag color="blue">{template.category}</Tag>
+          <Tag color="purple">→ {template.targetTable}</Tag>
           <CodeBadge groupCode="ACTIVE_YN" value={template.isActive} />
         </Space>
         <Space>
+          {/* 샘플 엑셀 자동 채우기 */}
+          <input
+            ref={sampleInputRef}
+            type="file"
+            accept=".xlsx,.xls"
+            style={{ display: 'none' }}
+            onChange={(e) => {
+              const f = e.target.files?.[0];
+              if (f) onSampleFile(f);
+              e.target.value = '';
+            }}
+          />
+          <Tooltip title="샘플 엑셀 파일을 업로드하면 첫 행의 헤더를 자동으로 추출해서 컬럼을 채웁니다">
+            <Button
+              size="small"
+              icon={<IconWand size={14} />}
+              onClick={() => sampleInputRef.current?.click()}
+            >
+              샘플 엑셀로 자동 채우기
+            </Button>
+          </Tooltip>
           <Button size="small" icon={<IconEye size={14} />} onClick={() => setShowPreview(true)}>
             미리보기
           </Button>
@@ -390,6 +467,36 @@ function ColumnEditor({ template, onSaved }: {
         </Space>
       </div>
 
+      {/* 샘플 미리보기 (자동 채우기 후 첫 5행) */}
+      {headerSample && headerSample.samples.length > 0 && (
+        <div style={{
+          background: '#fafafa', border: '1px solid #f0f0f0', borderRadius: 8,
+          padding: '10px 12px', marginBottom: 12,
+        }}>
+          <div style={{ fontSize: 12, color: '#666', marginBottom: 6 }}>
+            <IconUpload size={12} style={{ verticalAlign: -2, marginRight: 4 }} />
+            샘플 데이터 (첫 5행)
+          </div>
+          <div style={{ overflow: 'auto' }}>
+            <Table
+              size="small"
+              pagination={false}
+              dataSource={headerSample.samples.map((row, idx) => ({
+                _idx: idx,
+                ...Object.fromEntries(headerSample.headers.map((h, i) => [h, row[i]])),
+              }))}
+              rowKey="_idx"
+              columns={headerSample.headers.map((h, idx) => ({
+                title: <span><Tag color="blue" style={{ marginRight: 4 }}>{headerSample.columns[idx]}</Tag>{h}</span>,
+                dataIndex: h,
+                width: 120,
+              }))}
+              scroll={{ x: 'max-content' }}
+            />
+          </div>
+        </div>
+      )}
+
       {/* 컬럼 테이블 */}
       <div style={{ flex: 1, overflow: 'auto' }}>
         <Table<ColumnRow>
@@ -455,12 +562,25 @@ function ColumnEditor({ template, onSaved }: {
               ),
             },
             {
-              title: '대상 필드', dataIndex: 'targetField', width: 120,
+              title: '대상 필드', dataIndex: 'targetField', width: 200,
               render: (_, r) => (
-                <Input
+                <Select
                   size="small"
-                  value={r.targetField}
-                  onChange={(e) => updateCell(r._key, 'targetField', e.target.value)}
+                  value={r.targetField || undefined}
+                  showSearch
+                  allowClear
+                  placeholder="DB 컬럼 선택"
+                  optionFilterProp="label"
+                  options={targetFieldOptions}
+                  onChange={(v) => {
+                    updateCell(r._key, 'targetField', v ?? '');
+                    // 타입 자동 채우기
+                    if (v && targetFieldTypeMap[v]) {
+                      updateCell(r._key, 'targetType', targetFieldTypeMap[v]);
+                    }
+                  }}
+                  style={{ width: '100%' }}
+                  notFoundContent={targetFields.length === 0 ? '메타 로딩 중...' : '일치하는 필드 없음'}
                 />
               ),
             },