diff --git a/work/addresslist/tag.go b/work/addresslist/tag.go
index fe12acd..3e976e3 100644
--- a/work/addresslist/tag.go
+++ b/work/addresslist/tag.go
@@ -13,6 +13,14 @@ const (
 	updateTagURL = "https://qyapi.weixin.qq.com/cgi-bin/tag/update?access_token=%s"
 	// deleteTagURL 删除标签
 	deleteTagURL = "https://qyapi.weixin.qq.com/cgi-bin/tag/delete?access_token=%s&tagid=%d"
+	// getTagURL 获取标签成员
+	getTagURL = "https://qyapi.weixin.qq.com/cgi-bin/tag/get?access_token=%s&tagid=%d"
+	// addTagUsersURL 增加标签成员
+	addTagUsersURL = "https://qyapi.weixin.qq.com/cgi-bin/tag/addtagusers?access_token=%s"
+	// delTagUsersURL 删除标签成员
+	delTagUsersURL = "https://qyapi.weixin.qq.com/cgi-bin/tag/deltagusers?access_token=%s"
+	// listTagURL 获取标签列表
+	listTagURL = "https://qyapi.weixin.qq.com/cgi-bin/tag/list?access_token=%s"
 )
 
 type (
@@ -90,3 +98,145 @@ func (r *Client) DeleteTag(tagID int) error {
 	}
 	return util.DecodeWithCommonError(response, "DeleteTag")
 }
+
+type (
+	// GetTagResponse 获取标签成员响应
+	GetTagResponse struct {
+		util.CommonError
+		TagName   string           `json:"tagname"`
+		UserList  []GetTagUserList `json:"userlist"`
+		PartyList []int            `json:"partylist"`
+	}
+	// GetTagUserList 标签中包含的成员列表
+	GetTagUserList struct {
+		UserID string `json:"userid"`
+		Name   string `json:"name"`
+	}
+)
+
+// GetTag 获取标签成员
+// @see https://developer.work.weixin.qq.com/document/path/90213
+func (r *Client) GetTag(tagID int) (*GetTagResponse, error) {
+	var (
+		accessToken string
+		err         error
+	)
+	if accessToken, err = r.GetAccessToken(); err != nil {
+		return nil, err
+	}
+	var response []byte
+	if response, err = util.HTTPGet(fmt.Sprintf(getTagURL, accessToken, tagID)); err != nil {
+		return nil, err
+	}
+	result := &GetTagResponse{}
+	if err = util.DecodeWithError(response, result, "GetTag"); err != nil {
+		return nil, err
+	}
+	return result, nil
+}
+
+type (
+	// AddTagUsersRequest 增加标签成员请求
+	AddTagUsersRequest struct {
+		TagID     int      `json:"tagid"`
+		UserList  []string `json:"userlist"`
+		PartyList []int    `json:"partylist"`
+	}
+	// AddTagUsersResponse 增加标签成员响应
+	AddTagUsersResponse struct {
+		util.CommonError
+		InvalidList  string `json:"invalidlist"`
+		InvalidParty []int  `json:"invalidparty"`
+	}
+)
+
+// AddTagUsers 增加标签成员
+// see https://developer.work.weixin.qq.com/document/path/90214
+func (r *Client) AddTagUsers(req *AddTagUsersRequest) (*AddTagUsersResponse, error) {
+	var (
+		accessToken string
+		err         error
+	)
+	if accessToken, err = r.GetAccessToken(); err != nil {
+		return nil, err
+	}
+	var response []byte
+	if response, err = util.PostJSON(fmt.Sprintf(addTagUsersURL, accessToken), req); err != nil {
+		return nil, err
+	}
+	result := &AddTagUsersResponse{}
+	if err = util.DecodeWithError(response, result, "AddTagUsers"); err != nil {
+		return nil, err
+	}
+	return result, nil
+}
+
+type (
+	// DelTagUsersRequest 删除标签成员请求
+	DelTagUsersRequest struct {
+		TagID     int      `json:"tagid"`
+		UserList  []string `json:"userlist"`
+		PartyList []int    `json:"partylist"`
+	}
+	// DelTagUsersResponse 删除标签成员响应
+	DelTagUsersResponse struct {
+		util.CommonError
+		InvalidList  string `json:"invalidlist"`
+		InvalidParty []int  `json:"invalidparty"`
+	}
+)
+
+// DelTagUsers 删除标签成员
+// see https://developer.work.weixin.qq.com/document/path/90215
+func (r *Client) DelTagUsers(req *DelTagUsersRequest) (*DelTagUsersResponse, error) {
+	var (
+		accessToken string
+		err         error
+	)
+	if accessToken, err = r.GetAccessToken(); err != nil {
+		return nil, err
+	}
+	var response []byte
+	if response, err = util.PostJSON(fmt.Sprintf(delTagUsersURL, accessToken), req); err != nil {
+		return nil, err
+	}
+	result := &DelTagUsersResponse{}
+	if err = util.DecodeWithError(response, result, "DelTagUsers"); err != nil {
+		return nil, err
+	}
+	return result, nil
+}
+
+type (
+	// ListTagResponse 获取标签列表响应
+	ListTagResponse struct {
+		util.CommonError
+		TagList []Tag `json:"taglist"`
+	}
+	// Tag 标签
+	Tag struct {
+		TagID   int    `json:"tagid"`
+		TagName string `json:"tagname"`
+	}
+)
+
+// ListTag 获取标签列表
+// @see https://developer.work.weixin.qq.com/document/path/90216
+func (r *Client) ListTag() (*ListTagResponse, error) {
+	var (
+		accessToken string
+		err         error
+	)
+	if accessToken, err = r.GetAccessToken(); err != nil {
+		return nil, err
+	}
+	var response []byte
+	if response, err = util.HTTPGet(fmt.Sprintf(listTagURL, accessToken)); err != nil {
+		return nil, err
+	}
+	result := &ListTagResponse{}
+	if err = util.DecodeWithError(response, result, "ListTag"); err != nil {
+		return nil, err
+	}
+	return result, nil
+}