diff --git a/.changelog/3577.txt b/.changelog/3577.txt
new file mode 100644
index 0000000000..5de8bbad39
--- /dev/null
+++ b/.changelog/3577.txt
@@ -0,0 +1,3 @@
+```release-note:enhancement
+resource/tencentcloud_cfw_vpc_instance: remove bandwidth 1024 limit
+```
diff --git a/tencentcloud/services/cfw/resource_tc_cfw_vpc_instance.go b/tencentcloud/services/cfw/resource_tc_cfw_vpc_instance.go
index 79e346e365..40aa25cf24 100644
--- a/tencentcloud/services/cfw/resource_tc_cfw_vpc_instance.go
+++ b/tencentcloud/services/cfw/resource_tc_cfw_vpc_instance.go
@@ -70,10 +70,9 @@ func ResourceTencentCloudCfwVpcInstance() *schema.Resource {
 										Description: "Firewall Deployment Region.",
 									},
 									"width": {
-										Type:         schema.TypeInt,
-										Required:     true,
-										ValidateFunc: tccommon.ValidateIntegerMin(1024),
-										Description:  "Bandwidth, unit: Mbps.",
+										Type:        schema.TypeInt,
+										Required:    true,
+										Description: "Bandwidth, unit: Mbps.",
 									},
 									"cross_a_zone": {
 										Type:         schema.TypeInt,