diff --git a/huaweicloud/services/smn/resource_huaweicloud_smn_notify_policy.go b/huaweicloud/services/smn/resource_huaweicloud_smn_notify_policy.go
new file mode 100644
index 00000000000..016ef6c7dcd
--- /dev/null
+++ b/huaweicloud/services/smn/resource_huaweicloud_smn_notify_policy.go
@@ -0,0 +1,240 @@
+package smn
+
+import (
+	"context"
+	"strings"
+
+	"github.com/hashicorp/go-multierror"
+	"github.com/hashicorp/terraform-plugin-sdk/v2/diag"
+	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema"
+	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/validation"
+
+	"github.com/chnsz/golangsdk"
+
+	"github.com/huaweicloud/terraform-provider-huaweicloud/huaweicloud/common"
+	"github.com/huaweicloud/terraform-provider-huaweicloud/huaweicloud/config"
+	"github.com/huaweicloud/terraform-provider-huaweicloud/huaweicloud/utils"
+)
+
+// @API SMN POST /v2/{project_id}/notifications/topics/{topic_urn}/notify-policy
+// @API SMN GET /v2/{project_id}/notifications/topics/{topic_urn}/notify-policy
+// @API SMN PUT /v2/{project_id}/notifications/topics/{topic_urn}/notify-policy/{notify_policy_id}
+// @API SMN DELETE /v2/{project_id}/notifications/topics/{topic_urn}/notify-policy/{notify_policy_id}
+func ResourceNotifyPolicy() *schema.Resource {
+	return &schema.Resource{
+		CreateContext: resourceNotifyPolicyCreate,
+		ReadContext:   resourceNotifyPolicyRead,
+		UpdateContext: resourceNotifyPolicyUpdate,
+		DeleteContext: resourceNotifyPolicyDelete,
+
+		Importer: &schema.ResourceImporter{
+			StateContext: schema.ImportStatePassthroughContext,
+		},
+
+		CustomizeDiff: config.FlexibleForceNew(filterPolicyNonUpdatableParams),
+
+		Schema: map[string]*schema.Schema{
+			"region": {
+				Type:     schema.TypeString,
+				Optional: true,
+				Computed: true,
+				ForceNew: true,
+			},
+			"topic_urn": {
+				Type:     schema.TypeString,
+				Required: true,
+			},
+			"protocol": {
+				Type:     schema.TypeString,
+				Required: true,
+			},
+			"polling": {
+				Type:     schema.TypeSet,
+				Required: true,
+				Elem: &schema.Resource{
+					Schema: map[string]*schema.Schema{
+						"order": {
+							Type:     schema.TypeInt,
+							Required: true,
+						},
+						"subscription_urns": {
+							Type:     schema.TypeSet,
+							Required: true,
+							Elem:     &schema.Schema{Type: schema.TypeString},
+						},
+					},
+				},
+			},
+			"enable_force_new": {
+				Type:         schema.TypeString,
+				Optional:     true,
+				ValidateFunc: validation.StringInSlice([]string{"true", "false"}, false),
+				Description:  utils.SchemaDesc("", utils.SchemaDescInput{Internal: true}),
+			},
+		},
+	}
+}
+
+func resourceNotifyPolicyCreate(ctx context.Context, d *schema.ResourceData, meta interface{}) diag.Diagnostics {
+	cfg := meta.(*config.Config)
+	region := cfg.GetRegion(d)
+	client, err := cfg.NewServiceClient("smn", region)
+	if err != nil {
+		return diag.Errorf("error creating SMN client: %s", err)
+	}
+
+	createNotifyPolicyHttpUrl := "v2/{project_id}/notifications/topics/{topic_urn}/notify-policy"
+	createNotifyPolicyPath := client.Endpoint + createNotifyPolicyHttpUrl
+	createNotifyPolicyPath = strings.ReplaceAll(createNotifyPolicyPath, "{project_id}", client.ProjectID)
+	createNotifyPolicyPath = strings.ReplaceAll(createNotifyPolicyPath, "{topic_urn}", d.Get("topic_urn").(string))
+
+	createNotifyPolicyOpt := golangsdk.RequestOpts{
+		KeepResponseBody: true,
+	}
+	createNotifyPolicyOpt.JSONBody = map[string]interface{}{
+		"protocol": d.Get("protocol").(string),
+		"polling":  buildPolling(d.Get("polling").(*schema.Set).List()),
+	}
+
+	createNotifyPolicyResp, err := client.Request("POST", createNotifyPolicyPath, &createNotifyPolicyOpt)
+	if err != nil {
+		return diag.Errorf("error creating SMN notify policy: %s", err)
+	}
+
+	createNotifyPolicyRespBody, err := utils.FlattenResponse(createNotifyPolicyResp)
+	if err != nil {
+		return diag.FromErr(err)
+	}
+
+	id := utils.PathSearch("id", createNotifyPolicyRespBody, "").(string)
+	if id == "" {
+		return diag.Errorf("error creating SMN notify policy: ID is not found in API response")
+	}
+	d.SetId(id)
+	return resourceNotifyPolicyRead(ctx, d, meta)
+}
+
+func buildPolling(polling []interface{}) []map[string]interface{} {
+	opts := make([]map[string]interface{}, len(polling))
+	for i, v := range polling {
+		opts[i] = map[string]interface{}{
+			"order":             utils.PathSearch("order", v, nil),
+			"subscription_urns": utils.PathSearch("subscription_urns", v, &schema.Set{}).(*schema.Set).List(),
+		}
+	}
+	return opts
+}
+
+func resourceNotifyPolicyRead(_ context.Context, d *schema.ResourceData, meta interface{}) diag.Diagnostics {
+	cfg := meta.(*config.Config)
+	region := cfg.GetRegion(d)
+	client, err := cfg.NewServiceClient("smn", region)
+	if err != nil {
+		return diag.Errorf("error creating SMN client: %s", err)
+	}
+
+	readNotifyPolicyHttpUrl := "v2/{project_id}/notifications/topics/{topic_urn}/notify-policy"
+	readNotifyPolicyPath := client.Endpoint + readNotifyPolicyHttpUrl
+	readNotifyPolicyPath = strings.ReplaceAll(readNotifyPolicyPath, "{project_id}", client.ProjectID)
+	readNotifyPolicyPath = strings.ReplaceAll(readNotifyPolicyPath, "{topic_urn}", d.Get("topic_urn").(string))
+
+	readNotifyPolicyOpt := golangsdk.RequestOpts{
+		KeepResponseBody: true,
+	}
+
+	readNotifyPolicyResp, err := client.Request("POST", readNotifyPolicyPath, &readNotifyPolicyOpt)
+	if err != nil {
+		return common.CheckDeletedDiag(d, err, "error querying the subscription filter policy")
+	}
+
+	readNotifyPolicyRespBody, err := utils.FlattenResponse(readNotifyPolicyResp)
+	if err != nil {
+		return diag.FromErr(err)
+	}
+
+	mErr := multierror.Append(
+		d.Set("region", region),
+		d.Set("protocol", utils.PathSearch("protocol", readNotifyPolicyRespBody, nil)),
+		d.Set("polling", flattenPolling(utils.PathSearch("polling", readNotifyPolicyRespBody, make([]interface{}, 0)).([]interface{}))),
+	)
+
+	return diag.FromErr(mErr.ErrorOrNil())
+}
+
+func flattenPolling(polling []interface{}) []map[string]interface{} {
+	opts := make([]map[string]interface{}, len(polling))
+	for i, v := range polling {
+		opts[i] = map[string]interface{}{
+			"order":             utils.PathSearch("order", v, nil),
+			"subscription_urns": utils.PathSearch("subscription_urns", v, nil),
+		}
+	}
+	return opts
+}
+
+func resourceNotifyPolicyUpdate(ctx context.Context, d *schema.ResourceData, meta interface{}) diag.Diagnostics {
+	cfg := meta.(*config.Config)
+	region := cfg.GetRegion(d)
+	client, err := cfg.SmnV2Client(region)
+	if err != nil {
+		return diag.Errorf("error creating SMN client: %s", err)
+	}
+
+	updateNotifyPolicyHttpUrl := "v2/{project_id}/notifications/topics/{topic_urn}/notify-policy/{notify_policy_id}"
+	updateNotifyPolicyPath := client.Endpoint + updateNotifyPolicyHttpUrl
+	updateNotifyPolicyPath = strings.ReplaceAll(updateNotifyPolicyPath, "{project_id}", client.ProjectID)
+	updateNotifyPolicyPath = strings.ReplaceAll(updateNotifyPolicyPath, "{topic_urn}", d.Get("topic_urn").(string))
+	updateNotifyPolicyPath = strings.ReplaceAll(updateNotifyPolicyPath, "{notify_policy_id}", d.Id())
+
+	updateNotifyPolicyOpt := golangsdk.RequestOpts{
+		KeepResponseBody: true,
+	}
+	updateNotifyPolicyOpt.JSONBody = map[string]interface{}{
+		"polices": []map[string]interface{}{
+			{
+				"subscription_urn": d.Id(),
+				"filter_polices":   buildFilterPolicies(d.Get("filter_policies").(*schema.Set).List()),
+			},
+		},
+	}
+
+	_, err = client.Request("PUT", updateNotifyPolicyPath, &updateNotifyPolicyOpt)
+	if err != nil {
+		return diag.Errorf("error updating SMN subscription filter policy: %s", err)
+	}
+
+	return resourceNotifyPolicyRead(ctx, d, meta)
+}
+
+func resourceNotifyPolicyDelete(_ context.Context, d *schema.ResourceData, meta interface{}) diag.Diagnostics {
+	cfg := meta.(*config.Config)
+	region := cfg.GetRegion(d)
+	client, err := cfg.SmnV2Client(region)
+	if err != nil {
+		return diag.Errorf("error creating SMN client: %s", err)
+	}
+
+	deleteNotifyPolicyHttpUrl := "v2/{project_id}/notifications/topics/{topic_urn}/notify-policy/{notify_policy_id}"
+	deleteNotifyPolicyPath := client.Endpoint + deleteNotifyPolicyHttpUrl
+	deleteNotifyPolicyPath = strings.ReplaceAll(deleteNotifyPolicyPath, "{project_id}", client.ProjectID)
+	deleteNotifyPolicyPath = strings.ReplaceAll(deleteNotifyPolicyPath, "{topic_urn}", d.Get("topic_urn").(string))
+	deleteNotifyPolicyPath = strings.ReplaceAll(deleteNotifyPolicyPath, "{notify_policy_id}", d.Id())
+
+	deleteNotifyPolicyOpt := golangsdk.RequestOpts{
+		KeepResponseBody: true,
+	}
+
+	_, err = client.Request("DELETE", deleteNotifyPolicyPath, &deleteNotifyPolicyOpt)
+	if err != nil {
+		return diag.Errorf("error deleting SMN notify policy: %s", err)
+	}
+
+	// Successful deletion API call does not guarantee that the resource is successfully deleted.
+	// Call the details API to confirm that the resource has been successfully deleted.
+	_, err = GetSubscriptionFilterPolicies(client, d.Id())
+	if err == nil {
+		return diag.Errorf("error deleting the subscription filter policy")
+	}
+
+	return nil
+}