diff --git a/weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/api/WxMaEmployeeRelationService.java b/weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/api/WxMaEmployeeRelationService.java
new file mode 100644
index 000000000..4c0a74b2c
--- /dev/null
+++ b/weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/api/WxMaEmployeeRelationService.java
@@ -0,0 +1,41 @@
+package cn.binarywang.wx.miniapp.api;
+
+import cn.binarywang.wx.miniapp.bean.employee.WxMaSendEmployeeMsgRequest;
+import cn.binarywang.wx.miniapp.bean.employee.WxMaUnbindEmployeeRequest;
+import me.chanjar.weixin.common.error.WxErrorException;
+
+/**
+ * 小程序用工关系相关操作接口
+ * <p>
+ * 文档地址：<a href="https://developers.weixin.qq.com/miniprogram/dev/framework/open-ability/laboruse/intro.html">用工关系简介</a>
+ * </p>
+ *
+ * @author <a href="https://github.com/binarywang">Binary Wang</a>
+ * created on 2025-12-19
+ */
+public interface WxMaEmployeeRelationService {
+
+  /**
+   * 解绑用工关系
+   * <p>
+   * 企业可以调用该接口解除和用户的B2C用工关系
+   * </p>
+   * 文档地址：<a href="https://developers.weixin.qq.com/miniprogram/dev/OpenApiDoc/laboruse/api_unbinduserb2cauthinfo.html">解绑用工关系</a>
+   *
+   * @param request 解绑请求参数
+   * @throws WxErrorException 调用微信接口失败时抛出
+   */
+  void unbindEmployee(WxMaUnbindEmployeeRequest request) throws WxErrorException;
+
+  /**
+   * 推送用工消息
+   * <p>
+   * 企业可以调用该接口向用户推送用工相关消息
+   * </p>
+   * 文档地址：<a href="https://developers.weixin.qq.com/miniprogram/dev/OpenApiDoc/laboruse/api_sendemployeerelationmsg.html">推送用工消息</a>
+   *
+   * @param request 推送消息请求参数
+   * @throws WxErrorException 调用微信接口失败时抛出
+   */
+  void sendEmployeeMsg(WxMaSendEmployeeMsgRequest request) throws WxErrorException;
+}
diff --git a/weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/api/WxMaService.java b/weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/api/WxMaService.java
index 26ced8bed..dc7425fa6 100644
--- a/weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/api/WxMaService.java
+++ b/weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/api/WxMaService.java
@@ -621,4 +621,13 @@ public interface WxMaService extends WxService {
    * @return                 交易投诉服务对象WxMaComplaintService
    */
   WxMaComplaintService getComplaintService();
+
+  /**
+   * 获取用工关系服务对象。
+   * <br>
+   * 文档：https://developers.weixin.qq.com/miniprogram/dev/framework/open-ability/laboruse/intro.html
+   *
+   * @return                 用工关系服务对象WxMaEmployeeRelationService
+   */
+  WxMaEmployeeRelationService getEmployeeRelationService();
 }
diff --git a/weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/api/impl/BaseWxMaServiceImpl.java b/weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/api/impl/BaseWxMaServiceImpl.java
index 93bb2656e..c0e1ff4a4 100644
--- a/weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/api/impl/BaseWxMaServiceImpl.java
+++ b/weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/api/impl/BaseWxMaServiceImpl.java
@@ -167,6 +167,8 @@ public abstract class BaseWxMaServiceImpl<H, P> implements WxMaService, RequestH
   private final WxMaPromotionService wxMaPromotionService = new WxMaPromotionServiceImpl(this);
   private final WxMaIntracityService intracityService = new WxMaIntracityServiceImpl(this);
   private final WxMaComplaintService complaintService = new WxMaComplaintServiceImpl(this);
+  private final WxMaEmployeeRelationService employeeRelationService =
+      new WxMaEmployeeRelationServiceImpl(this);
 
   private Map<String, WxMaConfig> configMap = new HashMap<>();
   private int retrySleepMillis = 1000;
@@ -1048,4 +1050,9 @@ public abstract class BaseWxMaServiceImpl<H, P> implements WxMaService, RequestH
   public WxMaComplaintService getComplaintService() {
     return this.complaintService;
   }
+
+  @Override
+  public WxMaEmployeeRelationService getEmployeeRelationService() {
+    return this.employeeRelationService;
+  }
 }
diff --git a/weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/api/impl/WxMaEmployeeRelationServiceImpl.java b/weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/api/impl/WxMaEmployeeRelationServiceImpl.java
new file mode 100644
index 000000000..8f240e915
--- /dev/null
+++ b/weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/api/impl/WxMaEmployeeRelationServiceImpl.java
@@ -0,0 +1,32 @@
+package cn.binarywang.wx.miniapp.api.impl;
+
+import cn.binarywang.wx.miniapp.api.WxMaEmployeeRelationService;
+import cn.binarywang.wx.miniapp.api.WxMaService;
+import cn.binarywang.wx.miniapp.bean.employee.WxMaSendEmployeeMsgRequest;
+import cn.binarywang.wx.miniapp.bean.employee.WxMaUnbindEmployeeRequest;
+import lombok.RequiredArgsConstructor;
+import me.chanjar.weixin.common.error.WxErrorException;
+
+import static cn.binarywang.wx.miniapp.constant.WxMaApiUrlConstants.Employee.SEND_EMPLOYEE_MSG_URL;
+import static cn.binarywang.wx.miniapp.constant.WxMaApiUrlConstants.Employee.UNBIND_EMPLOYEE_URL;
+
+/**
+ * 小程序用工关系相关操作接口实现
+ *
+ * @author <a href="https://github.com/binarywang">Binary Wang</a>
+ * created on 2025-12-19
+ */
+@RequiredArgsConstructor
+public class WxMaEmployeeRelationServiceImpl implements WxMaEmployeeRelationService {
+  private final WxMaService service;
+
+  @Override
+  public void unbindEmployee(WxMaUnbindEmployeeRequest request) throws WxErrorException {
+    this.service.post(UNBIND_EMPLOYEE_URL, request.toJson());
+  }
+
+  @Override
+  public void sendEmployeeMsg(WxMaSendEmployeeMsgRequest request) throws WxErrorException {
+    this.service.post(SEND_EMPLOYEE_MSG_URL, request.toJson());
+  }
+}
diff --git a/weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/bean/employee/WxMaSendEmployeeMsgRequest.java b/weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/bean/employee/WxMaSendEmployeeMsgRequest.java
new file mode 100644
index 000000000..2d5047981
--- /dev/null
+++ b/weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/bean/employee/WxMaSendEmployeeMsgRequest.java
@@ -0,0 +1,61 @@
+package cn.binarywang.wx.miniapp.bean.employee;
+
+import cn.binarywang.wx.miniapp.json.WxMaGsonBuilder;
+import com.google.gson.annotations.SerializedName;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.io.Serializable;
+
+/**
+ * 小程序推送用工消息请求实体
+ * <p>
+ * 文档地址：<a href="https://developers.weixin.qq.com/miniprogram/dev/OpenApiDoc/laboruse/api_sendemployeerelationmsg.html">推送用工消息</a>
+ * </p>
+ *
+ * @author <a href="https://github.com/binarywang">Binary Wang</a>
+ * created on 2025-12-19
+ */
+@Data
+@Builder(builderMethodName = "newBuilder")
+@NoArgsConstructor
+@AllArgsConstructor
+public class WxMaSendEmployeeMsgRequest implements Serializable {
+  private static final long serialVersionUID = 1L;
+
+  /**
+   * <pre>
+   * 字段名：用户openid
+   * 是否必填：是
+   * 描述：需要接收消息的用户openid
+   * </pre>
+   */
+  @SerializedName("openid")
+  private String openid;
+
+  /**
+   * <pre>
+   * 字段名：企业id
+   * 是否必填：是
+   * 描述：企业id，小程序管理员在微信开放平台配置
+   * </pre>
+   */
+  @SerializedName("corp_id")
+  private String corpId;
+
+  /**
+   * <pre>
+   * 字段名：消息内容
+   * 是否必填：是
+   * 描述：推送的消息内容，文本格式，最长不超过200个字符
+   * </pre>
+   */
+  @SerializedName("msg")
+  private String msg;
+
+  public String toJson() {
+    return WxMaGsonBuilder.create().toJson(this);
+  }
+}
diff --git a/weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/bean/employee/WxMaUnbindEmployeeRequest.java b/weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/bean/employee/WxMaUnbindEmployeeRequest.java
new file mode 100644
index 000000000..e56d84670
--- /dev/null
+++ b/weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/bean/employee/WxMaUnbindEmployeeRequest.java
@@ -0,0 +1,51 @@
+package cn.binarywang.wx.miniapp.bean.employee;
+
+import cn.binarywang.wx.miniapp.json.WxMaGsonBuilder;
+import com.google.gson.annotations.SerializedName;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.io.Serializable;
+
+/**
+ * 小程序解绑用工关系请求实体
+ * <p>
+ * 文档地址：<a href="https://developers.weixin.qq.com/miniprogram/dev/OpenApiDoc/laboruse/api_unbinduserb2cauthinfo.html">解绑用工关系</a>
+ * </p>
+ *
+ * @author <a href="https://github.com/binarywang">Binary Wang</a>
+ * created on 2025-12-19
+ */
+@Data
+@Builder(builderMethodName = "newBuilder")
+@NoArgsConstructor
+@AllArgsConstructor
+public class WxMaUnbindEmployeeRequest implements Serializable {
+  private static final long serialVersionUID = 1L;
+
+  /**
+   * <pre>
+   * 字段名：用户openid
+   * 是否必填：是
+   * 描述：需要解绑的用户openid
+   * </pre>
+   */
+  @SerializedName("openid")
+  private String openid;
+
+  /**
+   * <pre>
+   * 字段名：企业id
+   * 是否必填：是
+   * 描述：企业id，小程序管理员在微信开放平台配置
+   * </pre>
+   */
+  @SerializedName("corp_id")
+  private String corpId;
+
+  public String toJson() {
+    return WxMaGsonBuilder.create().toJson(this);
+  }
+}
diff --git a/weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/constant/WxMaApiUrlConstants.java b/weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/constant/WxMaApiUrlConstants.java
index 45e121965..48d8ca0a2 100644
--- a/weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/constant/WxMaApiUrlConstants.java
+++ b/weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/constant/WxMaApiUrlConstants.java
@@ -996,4 +996,12 @@ public class WxMaApiUrlConstants {
     /** 上传反馈图片 */
     String UPLOAD_RESPONSE_IMAGE_URL = "https://api.weixin.qq.com/cgi-bin/miniapp/complaint/upload";
   }
+
+  /** 用工关系 */
+  public interface Employee {
+    /** 解绑用工关系 */
+    String UNBIND_EMPLOYEE_URL = "https://api.weixin.qq.com/wxa/unbinduserb2cauthinfo";
+    /** 推送用工消息 */
+    String SEND_EMPLOYEE_MSG_URL = "https://api.weixin.qq.com/wxa/sendemployeerelationmsg";
+  }
 }