diff --git a/pkg/cmd/cmd.go b/pkg/cmd/cmd.go
index 704c5488ede..eecac0da4c1 100644
--- a/pkg/cmd/cmd.go
+++ b/pkg/cmd/cmd.go
@@ -35,6 +35,15 @@ func NewCmd() *cobra.Command {
 	}
 }
 
+// AddTiCDCCommandTo add all cdc subcommands to `cmd`.
+// Exported for ticdc new arch.
+func AddTiCDCCommandTo(cmd *cobra.Command) {
+	cmd.AddCommand(server.NewCmdServer())
+	cmd.AddCommand(cli.NewCmdCli())
+	cmd.AddCommand(version.NewCmdVersion())
+	cmd.AddCommand(redo.NewCmdRedo())
+}
+
 // Run runs the root command.
 func Run() {
 	cmd := NewCmd()
@@ -42,10 +51,7 @@ func Run() {
 	cmd.SetOut(os.Stdout)
 	cmd.SetErr(os.Stderr)
 
-	cmd.AddCommand(server.NewCmdServer())
-	cmd.AddCommand(cli.NewCmdCli())
-	cmd.AddCommand(version.NewCmdVersion())
-	cmd.AddCommand(redo.NewCmdRedo())
+	AddTiCDCCommandTo(cmd)
 
 	if err := cmd.Execute(); err != nil {
 		cmd.PrintErrln(err)