diff --git a/cmd/lotus-worker/tasks.go b/cmd/lotus-worker/tasks.go
index 7b4462073..73ca5eb0a 100644
--- a/cmd/lotus-worker/tasks.go
+++ b/cmd/lotus-worker/tasks.go
@@ -44,33 +44,53 @@ var settableStr = func() string {
 var tasksEnableCmd = &cli.Command{
 	Name:      "enable",
 	Usage:     "Enable a task type",
-	ArgsUsage: "[" + settableStr + "]",
-	Action:    taskAction(api.Worker.TaskEnable),
+	ArgsUsage: "--all | [" + settableStr + "]",
+	Flags: []cli.Flag{
+		&cli.BoolFlag{
+			Name:  "all",
+			Usage: "Enable all task types",
+		},
+	},
+	Action: taskAction(api.Worker.TaskEnable),
 }
 
 var tasksDisableCmd = &cli.Command{
 	Name:      "disable",
 	Usage:     "Disable a task type",
-	ArgsUsage: "[" + settableStr + "]",
-	Action:    taskAction(api.Worker.TaskDisable),
+	ArgsUsage: "--all | [" + settableStr + "]",
+	Flags: []cli.Flag{
+		&cli.BoolFlag{
+			Name:  "all",
+			Usage: "Disable all task types",
+		},
+	},
+	Action: taskAction(api.Worker.TaskDisable),
 }
 
 func taskAction(tf func(a api.Worker, ctx context.Context, tt sealtasks.TaskType) error) func(cctx *cli.Context) error {
 	return func(cctx *cli.Context) error {
-		if cctx.NArg() != 1 {
-			return xerrors.Errorf("expected 1 argument")
+		allFlag := cctx.Bool("all")
+
+		if cctx.NArg() == 1 && allFlag {
+			return xerrors.Errorf("Cannot use --all flag with task type argument")
+		}
+
+		if cctx.NArg() != 1 && !allFlag {
+			return xerrors.Errorf("Expected 1 argument or use --all flag")
 		}
 
 		var tt sealtasks.TaskType
-		for taskType := range allowSetting {
-			if taskType.Short() == cctx.Args().First() {
-				tt = taskType
-				break
+		if cctx.NArg() == 1 {
+			for taskType := range allowSetting {
+				if taskType.Short() == cctx.Args().First() {
+					tt = taskType
+					break
+				}
 			}
-		}
 
-		if tt == "" {
-			return xerrors.Errorf("unknown task type '%s'", cctx.Args().First())
+			if tt == "" {
+				return xerrors.Errorf("unknown task type '%s'", cctx.Args().First())
+			}
 		}
 
 		api, closer, err := lcli.GetWorkerAPI(cctx)
@@ -81,6 +101,15 @@ func taskAction(tf func(a api.Worker, ctx context.Context, tt sealtasks.TaskType
 
 		ctx := lcli.ReqContext(cctx)
 
+		if allFlag {
+			for taskType := range allowSetting {
+				if err := tf(api, ctx, taskType); err != nil {
+					return err
+				}
+			}
+			return nil
+		}
+
 		return tf(api, ctx, tt)
 	}
 }
diff --git a/documentation/en/cli-lotus-worker.md b/documentation/en/cli-lotus-worker.md
index cfc4938bc..426d64d6c 100644
--- a/documentation/en/cli-lotus-worker.md
+++ b/documentation/en/cli-lotus-worker.md
@@ -218,10 +218,10 @@ NAME:
    lotus-worker tasks enable - Enable a task type
 
 USAGE:
-   lotus-worker tasks enable [command options] [UNS|C2|PC2|PC1|PR2|RU|AP|DC|GSK]
+   lotus-worker tasks enable [command options] --all | [UNS|C2|PC2|PC1|PR2|RU|AP|DC|GSK]
 
 OPTIONS:
-   --help, -h  show help (default: false)
+   --all  Enable all task types (default: false)
    
 ```
 
@@ -231,9 +231,9 @@ NAME:
    lotus-worker tasks disable - Disable a task type
 
 USAGE:
-   lotus-worker tasks disable [command options] [UNS|C2|PC2|PC1|PR2|RU|AP|DC|GSK]
+   lotus-worker tasks disable [command options] --all | [UNS|C2|PC2|PC1|PR2|RU|AP|DC|GSK]
 
 OPTIONS:
-   --help, -h  show help (default: false)
+   --all  Disable all task types (default: false)
    
 ```