diff --git a/pkg/ddc/alluxio/transform.go b/pkg/ddc/alluxio/transform.go
index fbc21c2bba3..38df0557e86 100644
--- a/pkg/ddc/alluxio/transform.go
+++ b/pkg/ddc/alluxio/transform.go
@@ -117,6 +117,9 @@ func (e *AlluxioEngine) transform(runtime *datav1alpha1.AlluxioRuntime) (value *
 
 	// 13.set the placementMode
 	e.transformPlacementMode(dataset, value)
+
+	// 14.set the cleanCachePolicy
+	err = e.SetCleanCachePolicy()
 	return
 }
 
diff --git a/pkg/ddc/alluxio/transform_clean_cache_policy.go b/pkg/ddc/alluxio/transform_clean_cache_policy.go
new file mode 100644
index 00000000000..de6c7ca0437
--- /dev/null
+++ b/pkg/ddc/alluxio/transform_clean_cache_policy.go
@@ -0,0 +1,73 @@
+/*
+Copyright 2021 The Fluid Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package alluxio
+
+import (
+	"context"
+	"reflect"
+	"time"
+
+	datav1alpha1 "github.com/fluid-cloudnative/fluid/api/v1alpha1"
+	apierrors "k8s.io/apimachinery/pkg/api/errors"
+	"k8s.io/client-go/util/retry"
+)
+
+// SetCleanCachePolicy set the CleanCachePolicy of AlluxioRuntime
+func (e *AlluxioEngine) SetCleanCachePolicy() (err error) {
+	maxRetryAttempts, err := e.getGracefulShutdownLimits()
+	if err != nil {
+		return
+	}
+
+	cleanCacheGracePeriodSeconds, err := e.getCleanCacheGracePeriodSeconds()
+	if err != nil {
+		return
+	}
+
+	err = retry.RetryOnConflict(retry.DefaultBackoff, func() error {
+		runtime, err := e.getRuntime()
+		if err != nil {
+			return err
+		}
+		runtimeToUpdate := runtime.DeepCopy()
+		runtimeToUpdate.Spec.CleanCachePolicy = datav1alpha1.CleanCachePolicy{
+			GracePeriodSeconds: &cleanCacheGracePeriodSeconds,
+			MaxRetryAttempts:   &maxRetryAttempts,
+		}
+
+		if !reflect.DeepEqual(runtimeToUpdate, runtime) {
+			err = e.Client.Update(context.TODO(), runtimeToUpdate)
+			if err != nil {
+				if apierrors.IsConflict(err) {
+					time.Sleep(3 * time.Second)
+				}
+				return err
+			}
+			e.Log.Info("Update cleanCachePolicy successfully",
+				"runtimeToUpdate",
+				runtimeToUpdate)
+		} else {
+			e.Log.Info("No need to update runtime for CleanCachePolicy",
+				"runtimeToUpdate",
+				runtimeToUpdate)
+		}
+
+		return err
+	})
+
+	return err
+}