diff --git a/docs/api-reference/scheduler-api.md b/docs/api-reference/scheduler-api.md
index ba874d346..3d8e135ba 100644
--- a/docs/api-reference/scheduler-api.md
+++ b/docs/api-reference/scheduler-api.md
@@ -159,6 +159,7 @@ _Appears in:_
 
 | Field | Description | Default | Validation |
 | --- | --- | --- | --- |
+| `name` _string_ | Name is the name of the topology constraint group.<br />It will drive from the corresponding PCSG name. |  |  |
 | `podGroupNames` _string array_ | PodGroupNames is the list of PodGroup names in the topology constraint group. |  |  |
 | `topologyConstraint` _[TopologyConstraint](#topologyconstraint)_ | TopologyConstraint defines topology packing constraints for this group.<br />Enables PCSG-level topology constraints.<br />Updated by operator when PodCliqueScalingGroup topology constraints change. |  |  |
 
diff --git a/docs/designs/topology.md b/docs/designs/topology.md
index 3d761add4..37d36b798 100644
--- a/docs/designs/topology.md
+++ b/docs/designs/topology.md
@@ -568,6 +568,9 @@ type PodGangSpec struct {
 ```go
 // TopologyConstraintGroupConfig defines topology constraints for a group of PodGroups.
 type TopologyConstraintGroupConfig struct {
+    // Name is the name of the topology constraint group.
+    // It will drive from the corresponding PCSG name.
+    Name string `json:"name"`   
     // TopologyConstraint defines topology packing constraints for this group.
     // Enables PCSG-level topology constraints.
     // Updated by operator when PodCliqueScalingGroup topology constraints change.
diff --git a/scheduler/api/core/v1alpha1/crds/scheduler.grove.io_podgangs.yaml b/scheduler/api/core/v1alpha1/crds/scheduler.grove.io_podgangs.yaml
index 3cf4c8f40..30bf4f47b 100644
--- a/scheduler/api/core/v1alpha1/crds/scheduler.grove.io_podgangs.yaml
+++ b/scheduler/api/core/v1alpha1/crds/scheduler.grove.io_podgangs.yaml
@@ -167,6 +167,11 @@ spec:
                   description: TopologyConstraintGroupConfig defines topology constraints
                     for a group of PodGroups.
                   properties:
+                    name:
+                      description: |-
+                        Name is the name of the topology constraint group.
+                        It will drive from the corresponding PCSG name.
+                      type: string
                     podGroupNames:
                       description: PodGroupNames is the list of PodGroup names in
                         the topology constraint group.
@@ -200,6 +205,7 @@ spec:
                           type: object
                       type: object
                   required:
+                  - name
                   - podGroupNames
                   type: object
                 type: array
diff --git a/scheduler/api/core/v1alpha1/podgang.go b/scheduler/api/core/v1alpha1/podgang.go
index c31f5bcfe..ae9ee5448 100644
--- a/scheduler/api/core/v1alpha1/podgang.go
+++ b/scheduler/api/core/v1alpha1/podgang.go
@@ -115,6 +115,9 @@ type TopologyPackConstraint struct {
 
 // TopologyConstraintGroupConfig defines topology constraints for a group of PodGroups.
 type TopologyConstraintGroupConfig struct {
+	// Name is the name of the topology constraint group.
+	// It will drive from the corresponding PCSG name.
+	Name string `json:"name"`
 	// PodGroupNames is the list of PodGroup names in the topology constraint group.
 	PodGroupNames []string `json:"podGroupNames"`
 	// TopologyConstraint defines topology packing constraints for this group.