diff --git a/tiup_completion.bash b/tiup_completion.bash
new file mode 100644
index 0000000..37a8ce4
--- /dev/null
+++ b/tiup_completion.bash
@@ -0,0 +1,33 @@
+#!/bin/bash
+
+_tiup()
+{
+  local cur prev
+
+  cur=${COMP_WORDS[COMP_CWORD]}
+  prev=${COMP_WORDS[COMP_CWORD-1]}
+
+
+  case ${COMP_CWORD} in
+    1)
+      COMPREPLY=( $(compgen -W "bench br cdc client cluster ctl dm dmctl errdoc pd-recover playground tidb tidb-lightning \
+                            clean completion env help install list mirror status telemetry uninstall update" -- $cur) )
+      ;;
+    2)
+      case ${prev} in
+        cluster)
+          COMPREPLY=($(compgen -W "check deploy start stop restart scale-in scale-out destroy clean upgrade display prune \
+                      list audit import edit-config reload patch rename enable disable replay template help" -- $cur) )
+          ;;
+        br)
+          COMPREPLY=($(compgen -W "backup help restore" -- $cur) )
+          ;;
+      esac
+      ;;
+    3)
+      COMPREPLY=()
+      ;;
+    esac
+}
+
+complete -F _tiup tiup