diff --git a/src/main/java/com/sztzjy/linkCommerce/controller/stu/StudentTrainingAnswerController.java b/src/main/java/com/sztzjy/linkCommerce/controller/stu/StudentTrainingAnswerController.java
index 5f892de..db23151 100644
--- a/src/main/java/com/sztzjy/linkCommerce/controller/stu/StudentTrainingAnswerController.java
+++ b/src/main/java/com/sztzjy/linkCommerce/controller/stu/StudentTrainingAnswerController.java
@@ -28,6 +28,8 @@ import com.sztzjy.linkCommerce.entity.dto.ProductDevelopmentFactorsStepThreeVali
 import com.sztzjy.linkCommerce.entity.dto.ProductDevelopmentFactorsStepThreeValidationResult;
 import com.sztzjy.linkCommerce.entity.dto.ProductDevelopmentFactorsStepFourValidationRequest;
 import com.sztzjy.linkCommerce.entity.dto.ProductDevelopmentFactorsStepFourValidationResult;
+import com.sztzjy.linkCommerce.entity.dto.TargetUserProfileStepOneValidationRequest;
+import com.sztzjy.linkCommerce.entity.dto.TargetUserProfileStepOneValidationResult;
 import com.sztzjy.linkCommerce.service.NewProductSurveyStepOneService;
 import com.sztzjy.linkCommerce.service.MarketOpportunitySelectionStepOneService;
 import com.sztzjy.linkCommerce.service.MarketOpportunitySelectionStepTwoService;
@@ -40,6 +42,7 @@ import com.sztzjy.linkCommerce.service.ProductDevelopmentFactorsStepOneService;
 import com.sztzjy.linkCommerce.service.ProductDevelopmentFactorsStepTwoService;
 import com.sztzjy.linkCommerce.service.ProductDevelopmentFactorsStepThreeService;
 import com.sztzjy.linkCommerce.service.ProductDevelopmentFactorsStepFourService;
+import com.sztzjy.linkCommerce.service.TargetUserProfileStepOneService;
 import com.sztzjy.linkCommerce.service.StudentTrainingAnswerService;
 import com.sztzjy.linkCommerce.util.ResultEntity;
 import io.swagger.annotations.Api;
@@ -91,6 +94,9 @@ public class StudentTrainingAnswerController {
     @Autowired
     private ProductDevelopmentFactorsStepFourService productDevelopmentFactorsStepFourService;
 
+    @Autowired
+    private TargetUserProfileStepOneService targetUserProfileStepOneService;
+
     @GetMapping("/{taskKey}")
     @ApiOperation("查询当前学生指定实训任务答案")
     public ResultEntity<StudentTrainingAnswer> detail(@PathVariable String taskKey,
@@ -251,6 +257,17 @@ public class StudentTrainingAnswerController {
         catch (ServiceException e) { return new ResultEntity<>(e.getCode(), e.getMessage()); }
     }
 
+    @PostMapping("/target-user-profile/step-1/validate")
+    @ApiOperation("目标用户画像第一步校验")
+    public ResultEntity<TargetUserProfileStepOneValidationResult> validateTargetUserProfileStepOne(
+            @RequestBody TargetUserProfileStepOneValidationRequest answer, HttpServletRequest request) {
+        try {
+            return new ResultEntity<>(HttpStatus.OK, "校验通过", targetUserProfileStepOneService.validate(answer, TokenProvider.getJWTUser(request)));
+        } catch (ServiceException e) {
+            return new ResultEntity<>(e.getCode(), e.getMessage());
+        }
+    }
+
     @DeleteMapping("/{taskKey}")
     @ApiOperation("删除当前学生指定实训任务答案")
     public ResultEntity delete(@PathVariable String taskKey,
diff --git a/src/main/java/com/sztzjy/linkCommerce/entity/dto/TargetUserProfileStepOneValidationRequest.java b/src/main/java/com/sztzjy/linkCommerce/entity/dto/TargetUserProfileStepOneValidationRequest.java
new file mode 100644
index 0000000..4fc9cb9
--- /dev/null
+++ b/src/main/java/com/sztzjy/linkCommerce/entity/dto/TargetUserProfileStepOneValidationRequest.java
@@ -0,0 +1,17 @@
+package com.sztzjy.linkCommerce.entity.dto;
+
+public class TargetUserProfileStepOneValidationRequest {
+    private String excelUrl;
+    private String excelName;
+    private Integer previewRowCount;
+    private Integer previewColumnCount;
+
+    public String getExcelUrl() { return excelUrl; }
+    public void setExcelUrl(String excelUrl) { this.excelUrl = excelUrl; }
+    public String getExcelName() { return excelName; }
+    public void setExcelName(String excelName) { this.excelName = excelName; }
+    public Integer getPreviewRowCount() { return previewRowCount; }
+    public void setPreviewRowCount(Integer previewRowCount) { this.previewRowCount = previewRowCount; }
+    public Integer getPreviewColumnCount() { return previewColumnCount; }
+    public void setPreviewColumnCount(Integer previewColumnCount) { this.previewColumnCount = previewColumnCount; }
+}
diff --git a/src/main/java/com/sztzjy/linkCommerce/entity/dto/TargetUserProfileStepOneValidationResult.java b/src/main/java/com/sztzjy/linkCommerce/entity/dto/TargetUserProfileStepOneValidationResult.java
new file mode 100644
index 0000000..fd04039
--- /dev/null
+++ b/src/main/java/com/sztzjy/linkCommerce/entity/dto/TargetUserProfileStepOneValidationResult.java
@@ -0,0 +1,11 @@
+package com.sztzjy.linkCommerce.entity.dto;
+
+public class TargetUserProfileStepOneValidationResult {
+    private boolean valid;
+    private String message;
+
+    public boolean isValid() { return valid; }
+    public void setValid(boolean valid) { this.valid = valid; }
+    public String getMessage() { return message; }
+    public void setMessage(String message) { this.message = message; }
+}
diff --git a/src/main/java/com/sztzjy/linkCommerce/service/TargetUserProfileStepOneService.java b/src/main/java/com/sztzjy/linkCommerce/service/TargetUserProfileStepOneService.java
new file mode 100644
index 0000000..1f5f119
--- /dev/null
+++ b/src/main/java/com/sztzjy/linkCommerce/service/TargetUserProfileStepOneService.java
@@ -0,0 +1,9 @@
+package com.sztzjy.linkCommerce.service;
+
+import com.sztzjy.linkCommerce.config.security.JwtUser;
+import com.sztzjy.linkCommerce.entity.dto.TargetUserProfileStepOneValidationRequest;
+import com.sztzjy.linkCommerce.entity.dto.TargetUserProfileStepOneValidationResult;
+
+public interface TargetUserProfileStepOneService {
+    TargetUserProfileStepOneValidationResult validate(TargetUserProfileStepOneValidationRequest request, JwtUser user);
+}
diff --git a/src/main/java/com/sztzjy/linkCommerce/service/impl/TargetUserProfileStepOneServiceImpl.java b/src/main/java/com/sztzjy/linkCommerce/service/impl/TargetUserProfileStepOneServiceImpl.java
new file mode 100644
index 0000000..c1d349e
--- /dev/null
+++ b/src/main/java/com/sztzjy/linkCommerce/service/impl/TargetUserProfileStepOneServiceImpl.java
@@ -0,0 +1,40 @@
+package com.sztzjy.linkCommerce.service.impl;
+
+import com.sztzjy.linkCommerce.config.exception.handler.ServiceException;
+import com.sztzjy.linkCommerce.config.security.JwtUser;
+import com.sztzjy.linkCommerce.entity.dto.TargetUserProfileStepOneValidationRequest;
+import com.sztzjy.linkCommerce.entity.dto.TargetUserProfileStepOneValidationResult;
+import com.sztzjy.linkCommerce.service.TargetUserProfileStepOneService;
+import org.apache.commons.lang3.StringUtils;
+import org.springframework.http.HttpStatus;
+import org.springframework.stereotype.Service;
+
+import java.util.Locale;
+
+@Service
+public class TargetUserProfileStepOneServiceImpl implements TargetUserProfileStepOneService {
+    @Override
+    public TargetUserProfileStepOneValidationResult validate(TargetUserProfileStepOneValidationRequest request, JwtUser user) {
+        if (user == null || StringUtils.isBlank(user.getUserId())) {
+            throw new ServiceException(HttpStatus.UNAUTHORIZED, "请先登录后再校验");
+        }
+        if (user.getRoleId() != 4) {
+            throw new ServiceException(HttpStatus.FORBIDDEN, "仅学生可进行实训校验");
+        }
+        if (request == null || StringUtils.isBlank(request.getExcelUrl()) || StringUtils.isBlank(request.getExcelName())) {
+            throw new ServiceException(HttpStatus.BAD_REQUEST, "请上传 RFM 用户分层分析结果 Excel 数据");
+        }
+        String excelName = request.getExcelName().trim().toLowerCase(Locale.ROOT);
+        if (!excelName.endsWith(".xls") && !excelName.endsWith(".xlsx")) {
+            throw new ServiceException(HttpStatus.BAD_REQUEST, "仅支持 .xls、.xlsx 格式的 Excel 文件");
+        }
+        if (request.getPreviewRowCount() == null || request.getPreviewRowCount() < 1
+                || request.getPreviewColumnCount() == null || request.getPreviewColumnCount() < 1) {
+            throw new ServiceException(HttpStatus.BAD_REQUEST, "Excel 文件需要包含可预览的表头和数据");
+        }
+        TargetUserProfileStepOneValidationResult result = new TargetUserProfileStepOneValidationResult();
+        result.setValid(true);
+        result.setMessage("校验通过");
+        return result;
+    }
+}
diff --git a/src/test/java/com/sztzjy/linkCommerce/service/impl/TargetUserProfileStepOneServiceImplTest.java b/src/test/java/com/sztzjy/linkCommerce/service/impl/TargetUserProfileStepOneServiceImplTest.java
new file mode 100644
index 0000000..6ab8f7a
--- /dev/null
+++ b/src/test/java/com/sztzjy/linkCommerce/service/impl/TargetUserProfileStepOneServiceImplTest.java
@@ -0,0 +1,39 @@
+package com.sztzjy.linkCommerce.service.impl;
+
+import com.sztzjy.linkCommerce.config.exception.handler.ServiceException;
+import com.sztzjy.linkCommerce.config.security.JwtUser;
+import com.sztzjy.linkCommerce.entity.dto.TargetUserProfileStepOneValidationRequest;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+class TargetUserProfileStepOneServiceImplTest {
+    @Test
+    void validatesStudentRfmExcelWithPreview() {
+        assertTrue(new TargetUserProfileStepOneServiceImpl().validate(request("rfm.xlsx", 20, 6), student()).isValid());
+    }
+
+    @Test
+    void rejectsNonExcelFileAndUnpreviewableWorkbook() {
+        TargetUserProfileStepOneServiceImpl service = new TargetUserProfileStepOneServiceImpl();
+        assertThrows(ServiceException.class, () -> service.validate(request("rfm.pdf", 2, 6), student()));
+        assertThrows(ServiceException.class, () -> service.validate(request("rfm.xlsx", 0, 0), student()));
+    }
+
+    private TargetUserProfileStepOneValidationRequest request(String excelName, int rows, int columns) {
+        TargetUserProfileStepOneValidationRequest request = new TargetUserProfileStepOneValidationRequest();
+        request.setExcelName(excelName);
+        request.setExcelUrl("/profile/" + excelName);
+        request.setPreviewRowCount(rows);
+        request.setPreviewColumnCount(columns);
+        return request;
+    }
+
+    private JwtUser student() {
+        JwtUser user = new JwtUser();
+        user.setUserId("stu-1");
+        user.setRoleId(4);
+        return user;
+    }
+}