diff --git a/ruoyi-modules/ruoyi-oa/src/main/java/org/dromara/oa/crm/controller/CrmBusinessTripApplyController.java b/ruoyi-modules/ruoyi-oa/src/main/java/org/dromara/oa/crm/controller/CrmBusinessTripApplyController.java
index a17f17c1..7826fca1 100644
--- a/ruoyi-modules/ruoyi-oa/src/main/java/org/dromara/oa/crm/controller/CrmBusinessTripApplyController.java
+++ b/ruoyi-modules/ruoyi-oa/src/main/java/org/dromara/oa/crm/controller/CrmBusinessTripApplyController.java
@@ -1,6 +1,7 @@
 package org.dromara.oa.crm.controller;
 
 import java.util.List;
+import java.util.Map;
 
 import lombok.RequiredArgsConstructor;
 import jakarta.servlet.http.HttpServletResponse;
@@ -13,10 +14,14 @@ import org.dromara.common.log.annotation.Log;
 import org.dromara.common.web.core.BaseController;
 import org.dromara.common.mybatis.core.page.PageQuery;
 import org.dromara.common.core.domain.R;
+import org.dromara.common.core.utils.StringUtils;
 import org.dromara.common.core.validate.AddGroup;
 import org.dromara.common.core.validate.EditGroup;
 import org.dromara.common.log.enums.BusinessType;
 import org.dromara.common.excel.utils.ExcelUtil;
+import org.dromara.common.word.util.WordTemplateUtil;
+import com.deepoove.poi.config.Configure;
+import org.dromara.oa.crm.word.CrmBusinessTripItineraryLoopRowPolicy;
 import org.dromara.oa.crm.domain.vo.CrmBusinessTripApplyVo;
 import org.dromara.oa.crm.domain.bo.CrmBusinessTripApplyBo;
 import org.dromara.oa.crm.service.ICrmBusinessTripApplyService;
@@ -57,6 +62,26 @@ public class CrmBusinessTripApplyController extends BaseController {
         ExcelUtil.exportExcel(list, "出差申请", CrmBusinessTripApplyVo.class, response);
     }
 
+    /**
+     * 导出出差申请单 PDF（基于 Word 模板渲染后转换）
+     *
+     * @param tripId 出差申请ID
+     */
+    @SaCheckPermission("oa/crm:businessTripApply:export")
+    @Log(title = "出差申请单PDF导出", businessType = BusinessType.EXPORT)
+    @GetMapping("/exportTripApplyPdf/{tripId}")
+    public void exportTripApplyPdf(@NotNull(message = "出差申请ID不能为空") @PathVariable("tripId") Long tripId,
+                                   HttpServletResponse response) {
+        Map<String, Object> data = crmBusinessTripApplyService.buildTripApplyPdfExportData(tripId);
+        CrmBusinessTripApplyVo vo = crmBusinessTripApplyService.queryById(tripId);
+        String fileName = "出差申请单_" + (vo != null && StringUtils.isNotBlank(vo.getApplyCode())
+            ? vo.getApplyCode() : tripId);
+        Configure config = Configure.builder()
+            .bind("行程明细", new CrmBusinessTripItineraryLoopRowPolicy())
+            .build();
+        WordTemplateUtil.renderToPdfResponse("出差申请单模板.docx", fileName, data, config, response);
+    }
+
     /**
      * 获取出差申请详细信息
      *
diff --git a/ruoyi-modules/ruoyi-oa/src/main/java/org/dromara/oa/crm/service/ICrmBusinessTripApplyService.java b/ruoyi-modules/ruoyi-oa/src/main/java/org/dromara/oa/crm/service/ICrmBusinessTripApplyService.java
index 036447f3..3d13cc26 100644
--- a/ruoyi-modules/ruoyi-oa/src/main/java/org/dromara/oa/crm/service/ICrmBusinessTripApplyService.java
+++ b/ruoyi-modules/ruoyi-oa/src/main/java/org/dromara/oa/crm/service/ICrmBusinessTripApplyService.java
@@ -8,6 +8,7 @@ import org.dromara.common.mybatis.core.page.PageQuery;
 
 import java.util.Collection;
 import java.util.List;
+import java.util.Map;
 
 /**
  * 出差申请Service接口
@@ -74,4 +75,12 @@ public interface ICrmBusinessTripApplyService {
      * @return
      */
     CrmBusinessTripApplyVo submitAndFlowStart(CrmBusinessTripApplyBo bo);
+
+    /**
+     * 组装出差申请单 PDF 导出数据
+     *
+     * @param tripId 出差申请ID
+     * @return Word 模板数据
+     */
+    Map<String, Object> buildTripApplyPdfExportData(Long tripId);
 }
diff --git a/ruoyi-modules/ruoyi-oa/src/main/java/org/dromara/oa/crm/service/impl/CrmBusinessTripApplyServiceImpl.java b/ruoyi-modules/ruoyi-oa/src/main/java/org/dromara/oa/crm/service/impl/CrmBusinessTripApplyServiceImpl.java
index 97aa54e9..1bd3e809 100644
--- a/ruoyi-modules/ruoyi-oa/src/main/java/org/dromara/oa/crm/service/impl/CrmBusinessTripApplyServiceImpl.java
+++ b/ruoyi-modules/ruoyi-oa/src/main/java/org/dromara/oa/crm/service/impl/CrmBusinessTripApplyServiceImpl.java
@@ -1,7 +1,9 @@
 package org.dromara.oa.crm.service.impl;
 
+import org.dromara.common.core.utils.DateUtils;
 import org.dromara.common.core.utils.MapstructUtils;
 import org.dromara.common.core.utils.StringUtils;
+import org.dromara.common.satoken.utils.LoginHelper;
 import org.dromara.common.mybatis.core.page.TableDataInfo;
 import org.dromara.common.mybatis.core.page.PageQuery;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
@@ -23,9 +25,17 @@ import org.dromara.oa.crm.domain.CrmCustomerInfo;
 import org.dromara.oa.erp.mapper.ErpProjectInfoMapper;
 import org.dromara.oa.crm.mapper.CrmBusinessTripDetailsMapper;
 
+import cn.hutool.core.bean.BeanUtil;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.Date;
+import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
-import java.util.Collection;
+import java.util.stream.Collectors;
 
 import lombok.extern.slf4j.Slf4j;
 import org.apache.dubbo.config.annotation.DubboReference;
@@ -33,6 +43,7 @@ import org.apache.seata.spring.annotation.GlobalTransactional;
 import org.dromara.common.core.enums.BusinessStatusEnum;
 import org.dromara.common.core.exception.ServiceException;
 import org.dromara.system.api.RemoteCodeRuleService;
+import org.dromara.system.api.RemoteUserService;
 import org.dromara.workflow.api.RemoteWorkflowService;
 import org.dromara.workflow.api.domain.RemoteStartProcess;
 import org.dromara.workflow.api.domain.RemoteFlowInstanceBizExt;
@@ -53,6 +64,19 @@ import cn.hutool.core.convert.Convert;
 @Slf4j
 public class CrmBusinessTripApplyServiceImpl implements ICrmBusinessTripApplyService {
 
+    private static final String DATE_FORMAT = "yyyy-MM-dd";
+
+    private static final String DATETIME_FORMAT = "yyyy-MM-dd HH:mm:ss";
+
+    private static final String PRINT_DATETIME_FORMAT = "yyyy-MM-dd HH:mm";
+
+    private static final Map<String, String> TRIP_TYPE_LABELS = Map.of(
+        "1", "安装调试",
+        "2", "市场交流",
+        "3", "展会/会议",
+        "4", "其他"
+    );
+
     private final CrmBusinessTripApplyMapper baseMapper;
     private final CrmBusinessTripDetailsMapper detailsMapper;
     private final ErpProjectInfoMapper erpProjectInfoMapper;
@@ -63,6 +87,9 @@ public class CrmBusinessTripApplyServiceImpl implements ICrmBusinessTripApplySer
     @DubboReference()
     private RemoteCodeRuleService remoteCodeRuleService;
 
+    @DubboReference
+    private RemoteUserService remoteUserService;
+
     /**
      * 查询出差申请
      *
@@ -381,4 +408,229 @@ public class CrmBusinessTripApplyServiceImpl implements ICrmBusinessTripApplySer
             baseMapper.updateById(tripApply);
         });
     }
+
+    @Override
+    public Map<String, Object> buildTripApplyPdfExportData(Long tripId) {
+        CrmBusinessTripApplyVo apply = queryById(tripId);
+        if (apply == null) {
+            throw new ServiceException("出差申请不存在，ID：" + tripId);
+        }
+        if (!"3".equals(apply.getTripStatus())) {
+            throw new ServiceException("仅申请状态为“已审批”时允许导出出差申请单");
+        }
+
+        CrmBusinessTripApply entity = baseMapper.selectById(tripId);
+        Map<String, Object> data = new HashMap<>(24);
+        data.put("审批编号", strVal(apply.getApplyCode()));
+        data.put("创建人", strVal(apply.getApplicantName()));
+        data.put("创建人部门", strVal(apply.getDeptName()));
+        data.put("创建时间", formatDate(entity == null ? null : entity.getCreateTime()));
+        data.put("审批状态", "已通过");
+        data.put("行程明细", buildItineraryLoopData(apply));
+        data.put("审批流程", buildApprovalFlowText(tripId));
+        data.put("打印时间", DateUtils.parseDateToStr(PRINT_DATETIME_FORMAT, new Date()));
+        data.put("打印人", resolvePrintUserName());
+        return data;
+    }
+
+    private List<Map<String, Object>> buildItineraryLoopData(CrmBusinessTripApplyVo apply) {
+        String tripTypeLabel = resolveTripTypeLabel(apply.getTripType());
+        List<CrmBusinessTripDetailsVo> details = apply.getCrmBusinessTripDetailsList();
+        if (details != null && !details.isEmpty()) {
+            List<Map<String, Object>> rows = new ArrayList<>();
+            for (CrmBusinessTripDetailsVo detail : details) {
+                rows.add(toItineraryRow(apply, detail, tripTypeLabel));
+            }
+            return rows;
+        }
+        return List.of(toItineraryRowFromApply(apply, tripTypeLabel));
+    }
+
+    private Map<String, Object> toItineraryRow(CrmBusinessTripApplyVo apply, CrmBusinessTripDetailsVo detail,
+                                               String tripTypeLabel) {
+        Map<String, Object> row = new HashMap<>(12);
+        Long order = detail.getItineraryNumber();
+        row.put("itineraryLabel", order == null ? "行程明细" : "行程明细" + order);
+        row.put("tripType", tripTypeLabel);
+        row.put("tripLocation", strVal(detail.getTripLocation()));
+        row.put("projectName", strVal(detail.getProjectName()));
+        row.put("projectCode", strVal(detail.getProjectCode()));
+        row.put("tripReason", firstNonBlank(detail.getTripReason(), apply.getTripReason()));
+        row.put("startTime", formatDate(detail.getStartTime()));
+        row.put("endTime", formatDate(detail.getEndTime()));
+        row.put("durationText", formatDuration(detail.getDurationDays(), apply.getDurationDays()));
+        return row;
+    }
+
+    private Map<String, Object> toItineraryRowFromApply(CrmBusinessTripApplyVo apply, String tripTypeLabel) {
+        Map<String, Object> row = new HashMap<>(12);
+        row.put("itineraryLabel", "行程明细1");
+        row.put("tripType", tripTypeLabel);
+        row.put("tripLocation", strVal(apply.getTripLocation()));
+        row.put("projectName", strVal(apply.getProjectName()));
+        row.put("projectCode", strVal(apply.getProjectCode()));
+        row.put("tripReason", strVal(apply.getTripReason()));
+        row.put("startTime", formatDate(apply.getStartTime()));
+        row.put("endTime", formatDate(apply.getEndTime()));
+        row.put("durationText", formatDuration(apply.getDurationDays(), null));
+        return row;
+    }
+
+    private String buildApprovalFlowText(Long tripId) {
+        try {
+            Map<String, Object> flowData = remoteWorkflowService.flowHisTaskList(String.valueOf(tripId));
+            List<Map<String, Object>> handledTasks = extractHandledTasks(flowData == null ? null : flowData.get("list"));
+            if (handledTasks.isEmpty()) {
+                return "";
+            }
+            return handledTasks.stream()
+                .map(this::formatApprovalFlowLine)
+                .filter(StringUtils::isNotBlank)
+                .collect(Collectors.joining("\n"));
+        } catch (Exception e) {
+            log.warn("读取出差申请审批记录失败, tripId={}", tripId, e);
+            return "";
+        }
+    }
+
+    private String formatApprovalFlowLine(Map<String, Object> task) {
+        String message = strVal(task.get("message"));
+        if (StringUtils.isBlank(message)) {
+            message = "同意";
+        }
+        String approveName = resolveApproveName(task);
+        String statusLabel = resolveTaskStatusLabel(task);
+        String time = formatDateTime(parseDate(task.get("updateTime")));
+        return message + "    " + approveName + "    " + statusLabel + "    " + time;
+    }
+
+    private String resolveTaskStatusLabel(Map<String, Object> task) {
+        String flowStatusName = strVal(task.get("flowStatusName"));
+        if (StringUtils.isNotBlank(flowStatusName)) {
+            return flowStatusName;
+        }
+        String nodeName = strVal(task.get("nodeName"));
+        if (nodeName.contains("抄送")) {
+            return "已抄送";
+        }
+        return "已同意";
+    }
+
+    private String resolveTripTypeLabel(String tripType) {
+        if (StringUtils.isBlank(tripType)) {
+            return "";
+        }
+        return TRIP_TYPE_LABELS.getOrDefault(tripType, tripType);
+    }
+
+    private String formatDuration(Long detailDays, Long fallbackDays) {
+        Long days = detailDays != null ? detailDays : fallbackDays;
+        if (days == null) {
+            return "";
+        }
+        return days + ".0天";
+    }
+
+    private String resolvePrintUserName() {
+        try {
+            if (LoginHelper.getLoginUser() != null && StringUtils.isNotBlank(LoginHelper.getLoginUser().getNickname())) {
+                return LoginHelper.getLoginUser().getNickname();
+            }
+        } catch (Exception ignored) {
+            // ignore
+        }
+        return LoginHelper.getUsername();
+    }
+
+    private List<Map<String, Object>> extractHandledTasks(Object listObj) {
+        if (!(listObj instanceof List<?> taskList) || taskList.isEmpty()) {
+            return Collections.emptyList();
+        }
+        List<Map<String, Object>> handledTasks = new ArrayList<>();
+        for (Object taskObj : taskList) {
+            Map<String, Object> taskMap = toMap(taskObj);
+            if (!taskMap.isEmpty() && taskMap.get("updateTime") != null) {
+                handledTasks.add(taskMap);
+            }
+        }
+        handledTasks.sort(Comparator.comparing(task -> {
+            Date updateTime = parseDate(task.get("updateTime"));
+            return updateTime == null ? new Date(0L) : updateTime;
+        }));
+        return handledTasks;
+    }
+
+    private String resolveApproveName(Map<String, Object> task) {
+        String approveName = strVal(task.get("approveName"));
+        if (StringUtils.isNotBlank(approveName)) {
+            return approveName;
+        }
+        String approver = strVal(task.get("approver"));
+        if (StringUtils.isBlank(approver)) {
+            return "";
+        }
+        try {
+            String nickname = remoteUserService.selectNicknameByIds(approver);
+            return StringUtils.isNotBlank(nickname) ? nickname : approver;
+        } catch (Exception e) {
+            log.warn("审批人昵称解析失败, approver={}", approver, e);
+            return approver;
+        }
+    }
+
+    private Map<String, Object> toMap(Object obj) {
+        if (obj == null) {
+            return Collections.emptyMap();
+        }
+        if (obj instanceof Map<?, ?> rawMap) {
+            Map<String, Object> result = new HashMap<>(rawMap.size());
+            for (Map.Entry<?, ?> entry : rawMap.entrySet()) {
+                result.put(String.valueOf(entry.getKey()), entry.getValue());
+            }
+            return result;
+        }
+        return BeanUtil.beanToMap(obj);
+    }
+
+    private Date parseDate(Object rawDate) {
+        if (rawDate == null) {
+            return null;
+        }
+        if (rawDate instanceof Date date) {
+            return date;
+        }
+        if (rawDate instanceof Number number) {
+            long millis = number.longValue();
+            if (String.valueOf(millis).length() == 10) {
+                millis = millis * 1000;
+            }
+            return new Date(millis);
+        }
+        return DateUtils.parseDate(rawDate);
+    }
+
+    private String formatDate(Date date) {
+        if (date == null) {
+            return "";
+        }
+        return DateUtils.parseDateToStr(DATE_FORMAT, date);
+    }
+
+    private String formatDateTime(Date date) {
+        if (date == null) {
+            return "";
+        }
+        return DateUtils.parseDateToStr(DATETIME_FORMAT, date);
+    }
+
+    private String firstNonBlank(String primary, String fallback) {
+        if (StringUtils.isNotBlank(primary)) {
+            return primary;
+        }
+        return strVal(fallback);
+    }
+
+    private String strVal(Object value) {
+        return value == null ? "" : String.valueOf(value);
+    }
 }
diff --git a/ruoyi-modules/ruoyi-oa/src/main/resources/出差申请单模板.docx b/ruoyi-modules/ruoyi-oa/src/main/resources/出差申请单模板.docx
new file mode 100644
index 00000000..7447840e
Binary files /dev/null and b/ruoyi-modules/ruoyi-oa/src/main/resources/出差申请单模板.docx differ