diff --git a/pkg/consts/qos.go b/pkg/consts/qos.go
index 9204768..d1fc1c0 100644
--- a/pkg/consts/qos.go
+++ b/pkg/consts/qos.go
@@ -37,10 +37,6 @@ const (
 
 	PodAnnotationMemoryEnhancementNumaExclusive       = "numa_exclusive"
 	PodAnnotationMemoryEnhancementNumaExclusiveEnable = "true"
-
-	PodAnnotationMicroTopologyInterPodAffinity = "katalyst.kubewharf.io/microtopology_affinity"
-
-	PodAnnotationMicroTopologyInterPodAntiAffinity = "katalyst.kubewharf.io/microtopology_antiaffinity"
 )
 
 // const variables for pod annotations about qos level enhancement in cpu
@@ -65,3 +61,28 @@ const (
 	PodAnnotationNetworkEnhancementAffinityRestricted     = "topology_affinity_restricted"
 	PodAnnotationNetworkEnhancementAffinityRestrictedTrue = "true"
 )
+
+// const variables for pod annotations about qos level enhancement for micro-topology level inter-pod affinity
+
+const (
+	PodAnnotationMicroTopologyInterPodAffinity     = "katalyst.kubewharf.io/microtopology_affinity"
+	PodAnnotationMicroTopologyInterPodAntiAffinity = "katalyst.kubewharf.io/microtopology_antiaffinity"
+
+	PodAnnotationMicroTopologyRequiredAffinity  = "required"
+	PodAnnotationMicroTopologyPreferredAffinity = "preferred"
+
+	PodAnnotationMicroTopologyAffinityNUMA   = "numa"
+	PodAnnotationMicroTopologyAffinitySocket = "socket"
+
+	PodAnnotationMicroTopologyAffinityDefaultZone = "numa"
+)
+
+// 解析后的inter-pod affinity annotations
+type Selector struct {
+	MatchLabels map[string]string
+	Zone        string
+}
+type MicroTopologyPodAffinityAnnotation struct {
+	Required  []Selector
+	Preferred []Selector
+}