diff --git a/pkg/ring-controller/agent/businessagent.go b/pkg/ring-controller/agent/businessagent.go
index a1c7f5da915c63769d2fed7e6781e6c6dd79c74e..61b33dcebf32a8c8e3af50f4a1c2ca72bdb57f43 100644
--- a/pkg/ring-controller/agent/businessagent.go
+++ b/pkg/ring-controller/agent/businessagent.go
@@ -286,6 +286,9 @@ func containerUsedChip(pod *apiCoreV1.Pod) bool {
 // other values present use npu;
 func GetNPUNum(c apiCoreV1.Container) int32 {
 	for name, qtt := range c.Resources.Limits {
+		if strings.HasPrefix(string(name), A910DynamicRN) {
+			return singleCard
+		}
 		if !strings.HasPrefix(string(name), A910ResourceName) {
 			continue
 		}
diff --git a/pkg/ring-controller/agent/types.go b/pkg/ring-controller/agent/types.go
index 164b805f2505f718abf646d085841066ca12aa52..e48bfbefb9c4fdf87294e5a8e54da153656e2f12 100644
--- a/pkg/ring-controller/agent/types.go
+++ b/pkg/ring-controller/agent/types.go
@@ -73,6 +73,10 @@ const (
 
 	// InvalidNPUNum invalid NPU num
 	InvalidNPUNum = -1
+
+	// A910DynamicRN resource name of 910 dynamic cut
+	A910DynamicRN = "huawei.com/npu-core"
+	singleCard    = 1
 )
 
 var (