diff --git a/pkg/scheduler/framework/v1alpha1/interface.go b/pkg/scheduler/framework/v1alpha1/interface.go
index ea47529a231..c92e6fb1323 100644
--- a/pkg/scheduler/framework/v1alpha1/interface.go
+++ b/pkg/scheduler/framework/v1alpha1/interface.go
@@ -348,7 +348,10 @@ type FrameworkHandle interface {
 	// NodeInfoSnapshot return the latest NodeInfo snapshot. The snapshot
 	// is taken at the beginning of a scheduling cycle and remains unchanged until
 	// a pod finishes "Reserve" point. There is no guarantee that the information
-	// remains unchanged in the binding phase of scheduling.
+	// remains unchanged in the binding phase of scheduling, so plugins in the binding
+	// cycle(permit/pre-bind/bind/post-bind/un-reserve plugin) should not use it,
+	// otherwise a concurrent read/write error might occur, they should use scheduler
+	// cache instead.
 	NodeInfoSnapshot() *internalcache.NodeInfoSnapshot
 
 	// IterateOverWaitingPods acquires a read lock and iterates over the WaitingPods map.