diff --git a/src/main/java/com/example/caseData/controller/CaseExchangeDraftController.java b/src/main/java/com/example/caseData/controller/CaseExchangeDraftController.java
new file mode 100644
index 0000000..75a40c0
--- /dev/null
+++ b/src/main/java/com/example/caseData/controller/CaseExchangeDraftController.java
@@ -0,0 +1,187 @@
+package com.example.caseData.controller;
+
+import cn.hutool.core.lang.Dict;
+import cn.hutool.json.JSONArray;
+import cn.hutool.json.JSONObject;
+import cn.hutool.json.JSONUtil;
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import com.baomidou.mybatisplus.core.metadata.IPage;
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
+import com.example.caseData.common.Response;
+import com.example.caseData.dao.*;
+import com.example.caseData.dto.T;
+import com.example.caseData.dto.caseExchange.CaseExchangeDto;
+import com.example.caseData.dto.caseExchangeDraft.CaseExchangeDraftDto;
+import com.example.caseData.dto.caseExchangeLabel.CaseExchangeLabelDto;
+import com.example.caseData.dto.caseExchangeVote.CaseExchangeVoteDto;
+import com.example.caseData.dto.caseExchangeVoteOption.CaseExchangeVoteOptionDto;
+import com.example.caseData.dto.userCommentCaseExchange.GetUserCaseExchangeCommentPageDto;
+import com.example.caseData.dto.userCommentCaseExchange.UserCommentCaseExchangeDto;
+import com.example.caseData.exception.BusinessException;
+import com.example.caseData.model.*;
+import com.example.caseData.request.caseExchangeDraftRequest.getCaseExchangeDraftSearchPage;
+import com.example.caseData.request.caseExchangeRequest.*;
+import com.example.caseData.service.CaseExchangeService;
+import com.example.caseData.utils.IntToString;
+import com.example.caseData.utils.Replace;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import jakarta.annotation.Resource;
+import jakarta.servlet.http.HttpServletRequest;
+import org.springframework.validation.annotation.Validated;
+import org.springframework.web.bind.annotation.*;
+
+import java.time.LocalDateTime;
+import java.util.*;
+
+@RestController
+@RequestMapping("/api")
+public class CaseExchangeDraftController {
+    @Resource
+    private HttpServletRequest httpServletRequest;
+
+    @Resource
+    private CaseExchangeDao caseExchangeDao;
+
+    @Resource
+    private UserDao userDao;
+
+    @Resource
+    private BasicHospitalDao basicHospitalDao;
+
+    @Resource
+    private CaseExchangeService caseExchangeService;
+
+    @Resource
+    private CaseExchangeDraftDao caseExchangeDraftDao;
+
+    @Resource
+    private CaseExchangeVoteDao caseExchangeVoteDao;
+
+    @Resource
+    private CaseExchangeLabelDao caseExchangeLabelDao;
+
+    @Resource
+    private CaseExchangeVoteOptionDao caseExchangeVoteOptionDao;
+
+    @Resource
+    private UserVoteExchangeDao userVoteExchangeDao;
+
+    @Resource
+    private UserCommentExchangeDao userCommentExchangeDao;
+
+    /**
+     * 临床病例库-病例交流-草稿-搜索
+     */
+    @PostMapping("/exchange/draft/search")
+    public Response<Map<String, Object>> getCaseExchangeDraftSearchPage(
+            @Validated()
+            @RequestBody getCaseExchangeDraftSearchPage request
+    ) {
+        String userId = (String) httpServletRequest.getAttribute("userId");
+        if (userId == null) {
+            return Response.error("操作失败");
+        }
+
+        request.validateForPage();
+
+        Map<String, Object> resultMap = new HashMap<>();
+
+        Page<CaseExchangeDraftDto> page = new Page<>(request.getPage(), request.getPageSize());
+
+
+        IPage<CaseExchangeDraftDto> resultPage = caseExchangeDraftDao.getCaseExchangeDraftSearchPage(
+                page,
+                userId,
+                request.handleOrder()
+        );
+
+        for (CaseExchangeDraftDto dto : resultPage.getRecords()) {
+            // 处理标签
+            if (dto.getExchangeLabelJson() != null && !dto.getExchangeLabelJson().isEmpty()){
+                try {
+                    JSONArray array = JSONUtil.parseArray(dto.getExchangeLabelJson());
+                    List<CaseExchangeDraftDto.CaseExchangeLabelDto> caseExchangeLabelDto = JSONUtil.toList(array, CaseExchangeDraftDto.CaseExchangeLabelDto.class);
+                    dto.setExchangeLabel(caseExchangeLabelDto);
+                    dto.setExchangeLabelJson("");
+                } catch (Exception e) {
+                    return Response.error(e.getMessage());
+                }
+            }
+
+            // 处理投票
+            if (dto.getExchangeVoteJson() != null && !dto.getExchangeVoteJson().isEmpty()){
+                try {
+                    CaseExchangeDraftDto.ExchangeVoteDto caseExchangeVoteDto = JSONUtil.toBean(dto.getExchangeVoteJson(), CaseExchangeDraftDto.ExchangeVoteDto.class);
+                    dto.setExchangeVote(caseExchangeVoteDto);
+                    dto.setExchangeVoteJson("");
+                } catch (Exception e) {
+                    return Response.error(e.getMessage());
+                }
+            }
+        }
+
+        resultMap.put("page", resultPage.getCurrent());
+        resultMap.put("pageSize", resultPage.getSize());
+        resultMap.put("total", resultPage.getTotal());
+        resultMap.put("data", resultPage.getRecords());
+        return Response.success(resultMap);
+    }
+
+
+    /**
+     * 病例交流-新增
+     */
+    @PostMapping("/exchange/draft")
+    public Response<T> AddCaseExchange(
+            @Validated()
+            @RequestBody addCaseExchange request
+    ) {
+        String userId = (String) httpServletRequest.getAttribute("userId");
+
+        if (userId == null) {
+            return Response.error("操作失败");
+        }
+
+        try {
+            boolean res = caseExchangeService.AddCaseExchange(userId,request);
+            if (!res){
+                return Response.error("操作失败");
+            }
+        } catch (BusinessException e) {
+            return Response.error(e.getMessage());
+        }
+
+        return Response.success();
+    }
+
+
+
+
+    /**
+     * 病例交流-评论-删除
+     */
+    @DeleteMapping("/exchange/draft/{draft_id}")
+    public Response<T> DeleteCaseExchangeComment(
+            @PathVariable("draft_id") String draftId
+    ) {
+
+        String userId = (String) httpServletRequest.getAttribute("userId");
+
+        if (userId == null) {
+            return Response.error("操作失败");
+        }
+
+        try {
+            boolean res = caseExchangeService.DeleteCaseExchangeComment(draftId,userId);
+            if (!res){
+                return Response.error("操作失败");
+            }
+        } catch (BusinessException e) {
+            return Response.error(e.getMessage());
+        }
+
+        return Response.success();
+    }
+
+
+}
diff --git a/src/main/java/com/example/caseData/dao/CaseExchangeDraftDao.java b/src/main/java/com/example/caseData/dao/CaseExchangeDraftDao.java
new file mode 100644
index 0000000..4b37a44
--- /dev/null
+++ b/src/main/java/com/example/caseData/dao/CaseExchangeDraftDao.java
@@ -0,0 +1,29 @@
+package com.example.caseData.dao;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.baomidou.mybatisplus.core.metadata.IPage;
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
+import com.example.caseData.dto.caseExchange.CaseExchangeDto;
+import com.example.caseData.dto.caseExchangeDraft.CaseExchangeDraftDto;
+import com.example.caseData.model.CaseExchangeModel;
+import org.apache.ibatis.annotations.Mapper;
+import org.apache.ibatis.annotations.Param;
+import org.apache.ibatis.annotations.Update;
+
+import java.util.List;
+import java.util.Map;
+
+@Mapper
+public interface CaseExchangeDraftDao extends BaseMapper<CaseExchangeModel> {
+
+    /**
+     * 临床病例库-草稿箱-搜索
+     * @param page 分页数据
+     * @param order 排序
+     */
+    IPage<CaseExchangeDraftDto> getCaseExchangeDraftSearchPage(
+            Page<?> page,
+            @Param("userId") String userId,
+            @Param("order") Map<String, String> order
+    );
+}
diff --git a/src/main/java/com/example/caseData/dto/caseExchangeDraft/CaseExchangeDraftDto.java b/src/main/java/com/example/caseData/dto/caseExchangeDraft/CaseExchangeDraftDto.java
new file mode 100644
index 0000000..be1ea57
--- /dev/null
+++ b/src/main/java/com/example/caseData/dto/caseExchangeDraft/CaseExchangeDraftDto.java
@@ -0,0 +1,136 @@
+package com.example.caseData.dto.caseExchangeDraft;
+
+import com.example.caseData.dto.caseExchangeVoteOption.CaseExchangeVoteOptionDto;
+import com.example.caseData.request.caseExchangeRequest.addCaseExchange;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import jakarta.validation.constraints.NotEmpty;
+import jakarta.validation.constraints.Size;
+import lombok.Data;
+
+import java.time.LocalDateTime;
+import java.util.List;
+import java.util.Map;
+
+@Data
+public class CaseExchangeDraftDto {
+    /**
+     * 主键id
+     */
+    @JsonProperty("draft_id")
+    private String draftId;
+
+    /**
+     * 用户id
+     */
+    @JsonProperty("user_id")
+    private String userId;
+
+    /**
+     * 标题
+     */
+    @JsonProperty("exchange_title")
+    private String exchangeTitle;
+
+    /**
+     * 内容
+     */
+    @JsonProperty("exchange_content")
+    private String exchangeContent;
+
+    /**
+     * 总结
+     */
+    @JsonProperty("exchange_summary")
+    private String exchangeSummary;
+
+    /**
+     * 标签id（逗号分隔）
+     */
+    @JsonProperty("exchange_label_json")
+    private String exchangeLabelJson;
+
+    /**
+     * 标签
+     */
+    @JsonProperty("exchange_label")
+    private List<CaseExchangeLabelDto> exchangeLabel;
+
+    /**
+     * 投票(json)
+     */
+    @JsonProperty("exchange_vote_json")
+    private String exchangeVoteJson;
+
+    /**
+     * 投票
+     */
+    @JsonProperty("exchange_vote")
+    private ExchangeVoteDto exchangeVote;
+
+    /**
+     * 创建时间
+     */
+    @JsonProperty("created_at")
+    private LocalDateTime createdAt;
+
+    /**
+     * 修改时间
+     */
+    @JsonProperty("updated_at")
+    private LocalDateTime updatedAt;
+
+    /**
+     * 标签
+     */
+    @Data
+    public static class CaseExchangeLabelDto {
+        /**
+         * app唯一标识
+         */
+        @JsonProperty("app_iden")
+        private String appIden;
+
+        /**
+         * 标签名称
+         */
+        @JsonProperty("label_name")
+        private String labelName;
+    }
+
+    /**
+     * 标签
+     */
+    @Data
+    public static class ExchangeVoteDto {
+        /**
+         * 选项标题
+         */
+        @JsonProperty("vote_title")
+        private String voteTitle;
+
+        /**
+         * 结束投票时间
+         */
+        @JsonProperty("end_time")
+        private LocalDateTime endTime;
+
+        /**
+         * 选项
+         */
+        @JsonProperty("option")
+        private List<OptionDto> option;
+    }
+
+    /**
+     * 标签
+     */
+    @Data
+    public static class OptionDto {
+        /**
+         * 选项
+         */
+        @JsonProperty("option_value")
+        private String optionValue;
+    }
+
+}
diff --git a/src/main/java/com/example/caseData/dto/caseExchangeVote/CaseExchangeVoteDto.java b/src/main/java/com/example/caseData/dto/caseExchangeVote/CaseExchangeVoteDto.java
index 1ec360f..cb122b9 100644
--- a/src/main/java/com/example/caseData/dto/caseExchangeVote/CaseExchangeVoteDto.java
+++ b/src/main/java/com/example/caseData/dto/caseExchangeVote/CaseExchangeVoteDto.java
@@ -41,7 +41,7 @@ public class CaseExchangeVoteDto {
     private LocalDateTime endTime;
 
     /**
-     * 是否开启中（0:否 1:是）
+     * 是否开启中（0:否 1:是）过期状态
      */
     @JsonProperty("is_enabled")
     private Integer isEnabled;
diff --git a/src/main/java/com/example/caseData/model/CaseExchangeDraftModel.java b/src/main/java/com/example/caseData/model/CaseExchangeDraftModel.java
new file mode 100644
index 0000000..a6d0c2e
--- /dev/null
+++ b/src/main/java/com/example/caseData/model/CaseExchangeDraftModel.java
@@ -0,0 +1,70 @@
+package com.example.caseData.model;
+
+import com.baomidou.mybatisplus.annotation.*;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Data;
+
+import java.time.LocalDateTime;
+
+/**
+ * 病例库-病例交流-草稿实体类
+ */
+@Data // Lombok注解，用于自动生成getter/setter方法等
+@TableName("`case_exchange_draft`") // 指定数据库表名
+public class CaseExchangeDraftModel {
+    /**
+     * 主键id
+     */
+    @TableId(type = IdType.ASSIGN_ID) // 使用MyBatis-Plus的ID生成策略
+    private Long draftId;
+
+    /**
+     * 用户id
+     */
+    @TableField("user_id")
+    private Long userId;
+
+    /**
+     * 标题
+     */
+    @TableField("exchange_title")
+    private String exchangeTitle;
+
+    /**
+     * 内容
+     */
+    @TableField("exchange_content")
+    private String exchangeContent;
+
+    /**
+     * 总结
+     */
+    @TableField("exchange_summary")
+    private String exchangeSummary;
+
+    /**
+     * 标签数据（json）
+     */
+    @TableField("exchange_label_json")
+    private String exchangeLabelJson;
+
+    /**
+     * 投票（json格式存储）
+     */
+    @TableField("exchange_vote_json")
+    private String exchangeVoteJson;
+
+    /**
+     * 创建时间
+     */
+    @TableField(fill = FieldFill.INSERT)
+    @JsonProperty("created_at")
+    private LocalDateTime createdAt;
+
+    /**
+     * 修改时间
+     */
+    @TableField(fill = FieldFill.INSERT_UPDATE)
+    @JsonProperty("updated_at")
+    private LocalDateTime updatedAt;
+}
\ No newline at end of file
diff --git a/src/main/java/com/example/caseData/request/caseExchangeDraftRequest/getCaseExchangeDraftSearchPage.java b/src/main/java/com/example/caseData/request/caseExchangeDraftRequest/getCaseExchangeDraftSearchPage.java
new file mode 100644
index 0000000..e0d6d4d
--- /dev/null
+++ b/src/main/java/com/example/caseData/request/caseExchangeDraftRequest/getCaseExchangeDraftSearchPage.java
@@ -0,0 +1,66 @@
+package com.example.caseData.request.caseExchangeDraftRequest;
+
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import jakarta.validation.constraints.Min;
+import lombok.Data;
+import org.springframework.util.StringUtils;
+
+import java.util.HashMap;
+import java.util.Map;
+
+@Data
+public class getCaseExchangeDraftSearchPage {
+    // ✅ 分页参数
+    @Min(value = 1,message = "页码最小为 1")
+    private Integer page = 1;
+
+    @JsonProperty("page_size")
+    @Min(value = 1, message = "每页个数最小为 1")
+    private Integer pageSize = 20;
+
+    // 排序字段
+    private OrderRequest order;
+
+    /**
+     * 排序字段嵌套结构体
+     */
+    @Data
+    public static class OrderRequest {
+        @JsonProperty("created_at")
+        private String createdAt;      // 创建时间
+
+        public Map<String, String> toMap() {
+            Map<String, String> map = new HashMap<>();
+            if (StringUtils.hasText(createdAt)) {
+                map.put("a.created_at", createdAt);
+            }
+
+            // 默认排序（如果用户未传递任何排序字段）
+            if (map.isEmpty()) {
+                map.put("a.updated_at", "desc");
+            }
+
+            return map;
+        }
+    }
+
+    /**
+     * 获取排序字段，若无用户输入则使用默认排序
+     */
+    public Map<String, String> handleOrder() {
+        return order != null ? order.toMap() : new OrderRequest().toMap();
+    }
+
+    // ✅ 校验分页参数
+    public void validateForPage() {
+        // 如果 page 为空，设为默认值 1
+        if (page == null) {
+            page = 1;
+        }
+
+        if (pageSize == null) {
+            pageSize = 20;
+        }
+    }
+}
diff --git a/src/main/resources/mapper/CaseExchangeDraftMapper.xml b/src/main/resources/mapper/CaseExchangeDraftMapper.xml
new file mode 100644
index 0000000..b43d3a5
--- /dev/null
+++ b/src/main/resources/mapper/CaseExchangeDraftMapper.xml
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="com.example.caseData.dao.CaseExchangeDraftDao">
+    <select id="getCaseExchangeDraftSearchPage" resultType="com.example.caseData.dto.caseExchangeDraft.CaseExchangeDraftDto">
+        SELECT
+        a.*
+        FROM case_exchange_draft a
+        LEFT JOIN user c ON c.user_id = a.user_id
+        <where>
+            <if test="userId != null and userId != ''">
+                AND c.user_id = #{userId}
+            </if>
+        </where>
+        <if test="order != null and !order.isEmpty()">
+            ORDER BY
+            <foreach item="entry" index="key" collection="order" separator=",">
+                ${key} ${entry}
+            </foreach>
+        </if>
+    </select>
+</mapper>
\ No newline at end of file