diff --git a/openstack/client.go b/openstack/client.go
index 9d0494832..d5e8026c8 100644
--- a/openstack/client.go
+++ b/openstack/client.go
@@ -561,6 +561,21 @@ func initClientOpts(client *golangsdk.ProviderClient, eo golangsdk.EndpointOpts,
 	return sc, nil
 }
 
+// initcommonServiceClient create a ServiceClient which can not get from clientType directly.
+// firstly, we initialize a service client by "volumev2" type, the endpoint likes https://evs.{region}.{xxx.com}/v2/{project_id}
+// then we replace the endpoint with the specified srv and version.
+func initcommonServiceClient(client *golangsdk.ProviderClient, eo golangsdk.EndpointOpts, srv string, version string) (*golangsdk.ServiceClient, error) {
+	sc, err := initClientOpts(client, eo, "volumev2")
+	if err != nil {
+		return nil, err
+	}
+
+	e := strings.Replace(sc.Endpoint, "v2", version, 1)
+	sc.Endpoint = strings.Replace(e, "evs", srv, 1)
+	sc.ResourceBase = sc.Endpoint
+	return sc, err
+}
+
 // NewObjectStorageV1 creates a ServiceClient that may be used with the v1
 // object storage package.
 func NewObjectStorageV1(client *golangsdk.ProviderClient, eo golangsdk.EndpointOpts) (*golangsdk.ServiceClient, error) {
@@ -1039,3 +1054,9 @@ func NewDDSV3(client *golangsdk.ProviderClient, eo golangsdk.EndpointOpts) (*gol
 	sc, err := initClientOpts(client, eo, "ddsv3")
 	return sc, err
 }
+
+// NewLTSV2 creates a ServiceClient that may be used to access the LTS service.
+func NewLTSV2(client *golangsdk.ProviderClient, eo golangsdk.EndpointOpts) (*golangsdk.ServiceClient, error) {
+	sc, err := initcommonServiceClient(client, eo, "lts", "v2.0")
+	return sc, err
+}
diff --git a/openstack/lts/v2/loggroups/requests.go b/openstack/lts/v2/loggroups/requests.go
new file mode 100644
index 000000000..77e35040a
--- /dev/null
+++ b/openstack/lts/v2/loggroups/requests.go
@@ -0,0 +1,49 @@
+package loggroups
+
+import "github.com/huaweicloud/golangsdk"
+
+// CreateOptsBuilder is used for creating log group parameters.
+type CreateOptsBuilder interface {
+	ToLogGroupsCreateMap() (map[string]interface{}, error)
+}
+
+// CreateOpts is a struct that contains all the parameters.
+type CreateOpts struct {
+	// Specifies the log group name.
+	LogGroupName string `json:"log_group_name" required:"true"`
+
+	// Specifies the log expiration time. The value is fixed to 7 days.
+	TTL int `json:"ttl_in_daysion,omitempty"`
+}
+
+// ToLogGroupsCreateMap is used for type convert
+func (ops CreateOpts) ToLogGroupsCreateMap() (map[string]interface{}, error) {
+	return golangsdk.BuildRequestBody(ops, "")
+}
+
+// Create a log group with given parameters.
+func Create(client *golangsdk.ServiceClient, ops CreateOptsBuilder) (r CreateResult) {
+	b, err := ops.ToLogGroupsCreateMap()
+	if err != nil {
+		r.Err = err
+		return
+	}
+
+	_, r.Err = client.Post(createURL(client), b, &r.Body, &golangsdk.RequestOpts{
+		OkCodes: []int{201},
+	})
+
+	return
+}
+
+// Delete a log group by id
+func Delete(client *golangsdk.ServiceClient, id string) (r DeleteResult) {
+	_, r.Err = client.Delete(deleteURL(client, id), nil)
+	return
+}
+
+// Get a log group with detailed information by id
+func Get(client *golangsdk.ServiceClient, id string) (r GetResult) {
+	_, r.Err = client.Get(getURL(client, id), &r.Body, nil)
+	return
+}
diff --git a/openstack/lts/v2/loggroups/results.go b/openstack/lts/v2/loggroups/results.go
new file mode 100644
index 000000000..893e104a9
--- /dev/null
+++ b/openstack/lts/v2/loggroups/results.go
@@ -0,0 +1,45 @@
+package loggroups
+
+import "github.com/huaweicloud/golangsdk"
+
+// Log group Create response
+type CreateResponse struct {
+	ID string `json:"log_group_id"`
+}
+
+// CreateResult is a struct that contains all the return parameters of creation
+type CreateResult struct {
+	golangsdk.Result
+}
+
+// Extract from CreateResult
+func (r CreateResult) Extract() (*CreateResponse, error) {
+	s := new(CreateResponse)
+	err := r.Result.ExtractInto(s)
+	return s, err
+}
+
+// DeleteResult is a struct which contains the result of deletion
+type DeleteResult struct {
+	golangsdk.ErrResult
+}
+
+// Log group response
+type LogGroup struct {
+	ID           string `json:"log_group_id"`
+	Name         string `json:"log_group_name"`
+	CreationTime int64  `json:"creation_time"`
+	TTLinDays    int    `json:"ttl_in_days"`
+}
+
+// GetResult contains the body of getting detailed
+type GetResult struct {
+	golangsdk.Result
+}
+
+// Extract from GetResult
+func (r GetResult) Extract() (*LogGroup, error) {
+	s := new(LogGroup)
+	err := r.Result.ExtractInto(s)
+	return s, err
+}
diff --git a/openstack/lts/v2/loggroups/urls.go b/openstack/lts/v2/loggroups/urls.go
new file mode 100644
index 000000000..ead5443f1
--- /dev/null
+++ b/openstack/lts/v2/loggroups/urls.go
@@ -0,0 +1,20 @@
+package loggroups
+
+import "github.com/huaweicloud/golangsdk"
+
+const rootPath = "log-groups"
+
+// createURL will build the url of creation
+func createURL(client *golangsdk.ServiceClient) string {
+	return client.ServiceURL(rootPath)
+}
+
+// deleteURL will build the url of deletion
+func deleteURL(client *golangsdk.ServiceClient, id string) string {
+	return client.ServiceURL(rootPath, id)
+}
+
+// getURL will build the get url of get function
+func getURL(client *golangsdk.ServiceClient, id string) string {
+	return client.ServiceURL(rootPath, id)
+}
diff --git a/openstack/lts/v2/logtopics/requests.go b/openstack/lts/v2/logtopics/requests.go
new file mode 100644
index 000000000..a1cd5a567
--- /dev/null
+++ b/openstack/lts/v2/logtopics/requests.go
@@ -0,0 +1,46 @@
+package logtopics
+
+import "github.com/huaweicloud/golangsdk"
+
+// CreateOptsBuilder is used for creating log group parameters.
+type CreateOptsBuilder interface {
+	ToLogTopicsCreateMap() (map[string]interface{}, error)
+}
+
+// CreateOpts is a struct that contains all the parameters.
+type CreateOpts struct {
+	// Specifies the log group name.
+	LogTopicName string `json:"log_topic_name" required:"true"`
+}
+
+// ToLogTopicsCreateMap is used for type convert
+func (ops CreateOpts) ToLogTopicsCreateMap() (map[string]interface{}, error) {
+	return golangsdk.BuildRequestBody(ops, "")
+}
+
+// Create a log topic with given parameters.
+func Create(client *golangsdk.ServiceClient, groupId string, ops CreateOptsBuilder) (r CreateResult) {
+	b, err := ops.ToLogTopicsCreateMap()
+	if err != nil {
+		r.Err = err
+		return
+	}
+
+	_, r.Err = client.Post(createURL(client, groupId), b, &r.Body, &golangsdk.RequestOpts{
+		OkCodes: []int{201},
+	})
+
+	return
+}
+
+// Delete a log topic by id
+func Delete(client *golangsdk.ServiceClient, groupId string, id string) (r DeleteResult) {
+	_, r.Err = client.Delete(deleteURL(client, groupId, id), nil)
+	return
+}
+
+// Get a log topic with detailed information by id
+func Get(client *golangsdk.ServiceClient, groupId string, id string) (r GetResult) {
+	_, r.Err = client.Get(getURL(client, groupId, id), &r.Body, nil)
+	return
+}
diff --git a/openstack/lts/v2/logtopics/results.go b/openstack/lts/v2/logtopics/results.go
new file mode 100644
index 000000000..83003f39f
--- /dev/null
+++ b/openstack/lts/v2/logtopics/results.go
@@ -0,0 +1,45 @@
+package logtopics
+
+import "github.com/huaweicloud/golangsdk"
+
+// Log topic Create response
+type CreateResponse struct {
+	ID string `json:"log_topic_id"`
+}
+
+// CreateResult is a struct that contains all the return parameters of creation
+type CreateResult struct {
+	golangsdk.Result
+}
+
+// Extract from CreateResult
+func (r CreateResult) Extract() (*CreateResponse, error) {
+	s := new(CreateResponse)
+	err := r.Result.ExtractInto(s)
+	return s, err
+}
+
+// DeleteResult is a struct which contains the result of deletion
+type DeleteResult struct {
+	golangsdk.ErrResult
+}
+
+// Log topic response
+type LogTopic struct {
+	ID           string `json:"log_topic_id,omitempty"`
+	Name         string `json:"log_topic_name"`
+	CreationTime int64  `json:"creation_time"`
+	IndexEnabled bool   `json:"index_enabled"`
+}
+
+// GetResult contains the body of getting detailed
+type GetResult struct {
+	golangsdk.Result
+}
+
+// Extract from GetResult
+func (r GetResult) Extract() (*LogTopic, error) {
+	s := new(LogTopic)
+	err := r.Result.ExtractInto(s)
+	return s, err
+}
diff --git a/openstack/lts/v2/logtopics/urls.go b/openstack/lts/v2/logtopics/urls.go
new file mode 100644
index 000000000..dabaca408
--- /dev/null
+++ b/openstack/lts/v2/logtopics/urls.go
@@ -0,0 +1,23 @@
+package logtopics
+
+import "github.com/huaweicloud/golangsdk"
+
+const (
+	resourcePath = "log-topics"
+	rootPath     = "log-groups"
+)
+
+// createURL will build the url of creation
+func createURL(client *golangsdk.ServiceClient, groupId string) string {
+	return client.ServiceURL(rootPath, groupId, resourcePath)
+}
+
+// deleteURL will build the url of deletion
+func deleteURL(client *golangsdk.ServiceClient, groupId string, id string) string {
+	return client.ServiceURL(rootPath, groupId, resourcePath, id)
+}
+
+// getURL will build the get url of get function
+func getURL(client *golangsdk.ServiceClient, groupId string, id string) string {
+	return client.ServiceURL(rootPath, groupId, resourcePath, id)
+}