diff --git a/chart/questions.yml b/chart/questions.yml
index 26dc8d8..7cfb4fa 100644
--- a/chart/questions.yml
+++ b/chart/questions.yml
@@ -149,6 +149,12 @@ questions:
   type: int
   min: 0
   default: 300
+- variable: defaultSettings.taintToleration
+  label: Kubernetes Taint Toleration
+  description: "By setting tolerations for Longhorn then adding taints for the nodes, the nodes with large storage can be dedicated to Longhorn only (to store replica data) and reject other general workloads. Multiple tolerations can be set here, and these tolerations are separated by comma. For example, \"key1=value1:NoSchedule, key2:NoExecute\". Notice that \"kubernetes.io\" is used as the key of all Kubernetes default tolerations, please do not contain this substring in your toleration setting."
+  group: "Longhorn Default Settings"
+  type: string
+  default: ""
 - variable: ingress.enabled
   default: "false"
   description: "Expose app using Layer 7 Load Balancer - ingress"
diff --git a/chart/templates/default-setting.yaml b/chart/templates/default-setting.yaml
index 5ea4aaa..1fc48c4 100644
--- a/chart/templates/default-setting.yaml
+++ b/chart/templates/default-setting.yaml
@@ -17,3 +17,4 @@ data:
     guaranteed-engine-cpu: {{ .Values.defaultSettings.guaranteedEngineCPU }}
     default-longhorn-static-storage-class: {{ .Values.defaultSettings.defaultLonghornStaticStorageClass }}
     backupstore-poll-interval: {{ .Values.defaultSettings.backupstorePollInterval }}
+    taint-toleration: {{ .Values.defaultSettings.taintToleration }}
diff --git a/chart/values.yaml b/chart/values.yaml
index c4fc553..85c095b 100644
--- a/chart/values.yaml
+++ b/chart/values.yaml
@@ -50,6 +50,7 @@ defaultSettings:
   guaranteedEngineCPU:
   defaultLonghornStaticStorageClass:
   backupstorePollInterval:
+  taintToleration:
 
 resources: {}
   # We usually recommend not to specify default resources and to leave this as a conscious