diff --git a/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/api/WxCpUserService.java b/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/api/WxCpUserService.java
index 544cfb8e9..8cc77a2d5 100644
--- a/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/api/WxCpUserService.java
+++ b/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/api/WxCpUserService.java
@@ -137,6 +137,23 @@ public interface WxCpUserService {
    */
   String openid2UserId(String openid) throws WxErrorException;
 
+  /**
+   * <pre>
+   *
+   * 通过手机号获取其所对应的userid。
+   *
+   * 请求方式：POST（HTTPS）
+   * 请求地址：https://qyapi.weixin.qq.com/cgi-bin/user/getuserid?access_token=ACCESS_TOKEN
+   *
+   * 文档地址：https://work.weixin.qq.com/api/doc#90001/90143/91693
+   * </pre>
+   *
+   * @param mobile 手机号码。长度为5~32个字节
+   * @return userid  mobile对应的成员userid
+   * @throws WxErrorException .
+   */
+  String getUserId(String mobile) throws WxErrorException;
+
   /**
    * 获取外部联系人详情.
    * <pre>
@@ -147,6 +164,8 @@ public interface WxCpUserService {
    * </pre>
    *
    * @param userId 外部联系人的userid
+   * @return 联系人详情
+   * @throws WxErrorException .
    */
   WxCpUserExternalContactInfo getExternalContact(String userId) throws WxErrorException;
 
diff --git a/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/api/impl/WxCpUserServiceImpl.java b/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/api/impl/WxCpUserServiceImpl.java
index 268ae6bc8..c75f75663 100644
--- a/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/api/impl/WxCpUserServiceImpl.java
+++ b/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/api/impl/WxCpUserServiceImpl.java
@@ -180,6 +180,16 @@ public class WxCpUserServiceImpl implements WxCpUserService {
     return tmpJsonElement.getAsJsonObject().get("userid").getAsString();
   }
 
+  @Override
+  public String getUserId(String mobile) throws WxErrorException {
+    JsonObject jsonObject = new JsonObject();
+    jsonObject.addProperty("mobile", mobile);
+    String url = this.mainService.getWxCpConfigStorage().getApiUrl(GET_USER_ID);
+    String responseContent = this.mainService.post(url, jsonObject.toString());
+    JsonElement tmpJsonElement = new JsonParser().parse(responseContent);
+    return tmpJsonElement.getAsJsonObject().get("userid").getAsString();
+  }
+
   @Override
   public WxCpUserExternalContactInfo getExternalContact(String userId) throws WxErrorException {
     String url = this.mainService.getWxCpConfigStorage().getApiUrl(GET_EXTERNAL_CONTACT + userId);
diff --git a/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/constant/WxCpApiPathConsts.java b/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/constant/WxCpApiPathConsts.java
index 61c3459f0..6de1a63ac 100644
--- a/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/constant/WxCpApiPathConsts.java
+++ b/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/constant/WxCpApiPathConsts.java
@@ -101,6 +101,7 @@ public final class WxCpApiPathConsts {
     public static final String BATCH_INVITE = "/cgi-bin/batch/invite";
     public static final String USER_CONVERT_TO_OPENID = "/cgi-bin/user/convert_to_openid";
     public static final String USER_CONVERT_TO_USERID = "/cgi-bin/user/convert_to_userid";
+    public static final String GET_USER_ID = "/cgi-bin/user/getuserid";
     public static final String GET_EXTERNAL_CONTACT = "/cgi-bin/crm/get_external_contact?external_userid=";
   }
 
diff --git a/weixin-java-cp/src/test/java/me/chanjar/weixin/cp/api/impl/WxCpUserServiceImplTest.java b/weixin-java-cp/src/test/java/me/chanjar/weixin/cp/api/impl/WxCpUserServiceImplTest.java
index 6b88876fb..23c86768f 100644
--- a/weixin-java-cp/src/test/java/me/chanjar/weixin/cp/api/impl/WxCpUserServiceImplTest.java
+++ b/weixin-java-cp/src/test/java/me/chanjar/weixin/cp/api/impl/WxCpUserServiceImplTest.java
@@ -112,4 +112,14 @@ public class WxCpUserServiceImplTest {
   }
 
 
+  @Test
+  public void testGetUserId() throws WxErrorException {
+    String result = this.wxCpService.getUserService().getUserId("xxx");
+    System.out.println(result);
+    assertNotNull(result);
+  }
+
+  @Test
+  public void testGetExternalContact() {
+  }
 }