diff --git a/paddle/cinn/hlir/framework/pir/group.h b/paddle/cinn/hlir/framework/pir/group.h
index 049537a3e52835..7b0913525c2545 100644
--- a/paddle/cinn/hlir/framework/pir/group.h
+++ b/paddle/cinn/hlir/framework/pir/group.h
@@ -115,9 +115,49 @@ struct Group {
     return op_set;
   }
 
-  // TODO(phlrain) : impliment GetInputNodeDatas GetOutputNodeDatas func
-  // std::unordered_set<::pir::Value> GetInputNodeDatas() { return {}; }
-  // std::unordered_set<::pir::Value> GetOutputNodeDatas() { return {}; }
+  std::unordered_set<::pir::Value> GetInputOpValues() {
+    std::unordered_set<::pir::Value> group_inputs;
+    auto ops_set = this->OpSet();
+    // count all op's input Value
+    for (auto op : this->CollectOps()) {
+      for (auto& value : op->operands_source()) {
+        if (!value || !value.type()) {
+          continue;
+        }
+
+        if (!ops_set.count(value.dyn_cast<::pir::OpResult>().owner())) {
+          // if the input value owner op is not in OpSet, it's the group's input
+          group_inputs.insert(value);
+          continue;
+        }
+
+        if (std::find(this->input_names.begin(),
+                      this->input_names.end(),
+                      CompatibleInfo::ValueName(value)) !=
+            this->input_names.end()) {
+          // if the input data in group's input_names
+          group_inputs.insert(value);
+          continue;
+        }
+      }
+    }
+
+    return group_inputs;
+  }
+  std::unordered_set<::pir::Value> GetOutputOpValues() {
+    std::unordered_set<::pir::Value> group_outputs;
+
+    for (auto op : this->output_ops) {
+      for (auto& result : op->results()) {
+        if (!result || result.type()) {
+          continue;
+        }
+
+        group_outputs.insert(result);
+      }
+    }
+    return group_outputs;
+  }
 
   std::string GetFuncName() { return "fn_" + group_id + unique_id; }