diff --git a/.changelog/2897.txt b/.changelog/2897.txt
new file mode 100644
index 0000000000..6f373f1177
--- /dev/null
+++ b/.changelog/2897.txt
@@ -0,0 +1,3 @@
+```release-note:enhancement
+resource/tencentcloud_cos_bucket: `website` add new `redirect_all_requests_to` params
+```
\ No newline at end of file
diff --git a/tencentcloud/services/cos/resource_tc_cos_bucket.go b/tencentcloud/services/cos/resource_tc_cos_bucket.go
index cbb63f2cc8..1b6764c133 100644
--- a/tencentcloud/services/cos/resource_tc_cos_bucket.go
+++ b/tencentcloud/services/cos/resource_tc_cos_bucket.go
@@ -477,6 +477,13 @@ func ResourceTencentCloudCosBucket() *schema.Resource {
 							Optional:    true,
 							Description: "An absolute path to the document to return in case of a 4XX error.",
 						},
+						"redirect_all_requests_to": {
+							Type:         schema.TypeString,
+							Optional:     true,
+							Computed:     true,
+							ValidateFunc: tccommon.ValidateAllowedStringValue([]string{"http", "https"}),
+							Description:  "Redirects all request configurations. Valid values: http, https. Default is `http`.",
+						},
 						"endpoint": {
 							Type:        schema.TypeString,
 							Computed:    true,
@@ -1406,6 +1413,10 @@ func resourceTencentCloudCosBucketWebsiteUpdate(ctx context.Context, meta interf
 		log.Printf("[DEBUG]%s api[%s] success, request body [%s], response body [%s]\n",
 			logId, "delete bucket website", request.String(), response.String())
 	} else {
+		if cdcId != "" {
+			return fmt.Errorf("cdc cos not support set website.\n")
+		}
+
 		var w map[string]interface{}
 		if website[0] != nil {
 			w = website[0].(map[string]interface{})
@@ -1413,12 +1424,17 @@ func resourceTencentCloudCosBucketWebsiteUpdate(ctx context.Context, meta interf
 			w = make(map[string]interface{})
 		}
 		var indexDocument, errorDocument string
+		var redirectAllRequestsTo = "http"
 		if v, ok := w["index_document"]; ok {
 			indexDocument = v.(string)
 		}
 		if v, ok := w["error_document"]; ok {
 			errorDocument = v.(string)
 		}
+		if v, ok := w["redirect_all_requests_to"]; ok && v != "" {
+			redirectAllRequestsTo = v.(string)
+		}
+		endPointUrl := fmt.Sprintf("%s.cos-website.%s.myqcloud.com", d.Id(), meta.(tccommon.ProviderMeta).GetAPIV3Conn().Region)
 		request := s3.PutBucketWebsiteInput{
 			Bucket: aws.String(bucket),
 			WebsiteConfiguration: &s3.WebsiteConfiguration{
@@ -1428,6 +1444,10 @@ func resourceTencentCloudCosBucketWebsiteUpdate(ctx context.Context, meta interf
 				ErrorDocument: &s3.ErrorDocument{
 					Key: aws.String(errorDocument),
 				},
+				RedirectAllRequestsTo: &s3.RedirectAllRequestsTo{
+					HostName: aws.String(endPointUrl),
+					Protocol: aws.String(redirectAllRequestsTo),
+				},
 			},
 		}
 		response, err := meta.(tccommon.ProviderMeta).GetAPIV3Conn().UseCosClientNew(cdcId).PutBucketWebsite(&request)
diff --git a/tencentcloud/services/cos/resource_tc_cos_bucket.md b/tencentcloud/services/cos/resource_tc_cos_bucket.md
index dbb1c033f4..f56f4b233d 100644
--- a/tencentcloud/services/cos/resource_tc_cos_bucket.md
+++ b/tencentcloud/services/cos/resource_tc_cos_bucket.md
@@ -234,8 +234,9 @@ resource "tencentcloud_cos_bucket" "bucket_with_static_website" {
   bucket = "bucket-with-static-website-${local.app_id}"
 
   website {
-    index_document = "index.html"
-    error_document = "error.html"
+    index_document           = "index.html"
+    error_document           = "error.html"
+    redirect_all_requests_to = "https"
   }
 }
 
diff --git a/tencentcloud/services/cos/service_tencentcloud_cos.go b/tencentcloud/services/cos/service_tencentcloud_cos.go
index a4bd856d8d..dd8cacc9ec 100644
--- a/tencentcloud/services/cos/service_tencentcloud_cos.go
+++ b/tencentcloud/services/cos/service_tencentcloud_cos.go
@@ -777,6 +777,9 @@ func (me *CosService) GetBucketWebsite(ctx context.Context, bucket string, cdcId
 	if response.ErrorDocument != nil {
 		website["error_document"] = *response.ErrorDocument.Key
 	}
+	if response.RedirectAllRequestsTo != nil {
+		website["redirect_all_requests_to"] = *response.RedirectAllRequestsTo.Protocol
+	}
 	if len(website) > 0 {
 		websites = append(websites, website)
 	}
diff --git a/website/docs/r/cos_bucket.html.markdown b/website/docs/r/cos_bucket.html.markdown
index 8a943e2edb..fd8c5fde09 100644
--- a/website/docs/r/cos_bucket.html.markdown
+++ b/website/docs/r/cos_bucket.html.markdown
@@ -245,8 +245,9 @@ resource "tencentcloud_cos_bucket" "bucket_with_static_website" {
   bucket = "bucket-with-static-website-${local.app_id}"
 
   website {
-    index_document = "index.html"
-    error_document = "error.html"
+    index_document           = "index.html"
+    error_document           = "error.html"
+    redirect_all_requests_to = "https"
   }
 }
 
@@ -505,6 +506,7 @@ The `website` object supports the following:
 
 * `error_document` - (Optional, String) An absolute path to the document to return in case of a 4XX error.
 * `index_document` - (Optional, String) COS returns this index document when requests are made to the root domain or any of the subfolders.
+* `redirect_all_requests_to` - (Optional, String) Redirects all request configurations. Valid values: http, https. Default is `http`.
 
 ## Attributes Reference