diff --git a/app/cmd/completion.go b/app/cmd/completion.go
new file mode 100644
index 0000000000000000000000000000000000000000..cab0d238cd36e7f874a421039452eaabed0b6e03
--- /dev/null
+++ b/app/cmd/completion.go
@@ -0,0 +1,22 @@
+package cmd
+
+import (
+	"github.com/spf13/cobra"
+)
+
+func init() {
+	rootCmd.AddCommand(completionCmd)
+}
+
+var completionCmd = &cobra.Command{
+	Use:   "completion",
+	Short: "Genereate bash completion scripts",
+	Long:  `To load completion run:
+	jcli completion >> ~.bash_completion
+
+If you get trouble, please visit https://github.com/jenkins-zh/jenkins-cli/issues/83.
+`,
+	Run: func(cmd *cobra.Command, _ []string) {
+		rootCmd.GenBashCompletion(cmd.OutOrStdout())
+	},
+}
diff --git a/app/cmd/completion_test.go b/app/cmd/completion_test.go
new file mode 100644
index 0000000000000000000000000000000000000000..d61a9de140fa2db06c0ef9e38e9723b9f5a87075
--- /dev/null
+++ b/app/cmd/completion_test.go
@@ -0,0 +1,49 @@
+package cmd
+
+import (
+	"bytes"
+	"io/ioutil"
+	"os"
+
+	"github.com/golang/mock/gomock"
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/gomega"
+)
+
+var _ = Describe("job type command", func() {
+	var (
+		ctrl         *gomock.Controller
+	)
+
+	BeforeEach(func() {
+		ctrl = gomock.NewController(GinkgoT())
+		rootCmd.SetArgs([]string{})
+		rootOptions.Jenkins = ""
+		rootOptions.ConfigFile = "test.yaml"
+	})
+
+	AfterEach(func() {
+		rootCmd.SetArgs([]string{})
+		os.Remove(rootOptions.ConfigFile)
+		rootOptions.ConfigFile = ""
+		ctrl.Finish()
+	})
+
+	Context("basic cases", func() {
+		It("should success, empty list", func() {
+			data, err := generateSampleConfig()
+			Expect(err).To(BeNil())
+			err = ioutil.WriteFile(rootOptions.ConfigFile, data, 0664)
+			Expect(err).To(BeNil())
+
+			rootCmd.SetArgs([]string{"completion"})
+
+			buf := new(bytes.Buffer)
+			rootCmd.SetOutput(buf)
+			_, err = rootCmd.ExecuteC()
+			Expect(err).To(BeNil())
+
+			Expect(buf.String()).NotTo(Equal(""))
+		})
+	})
+})