diff --git a/node/node_mac.go b/node/node_mac.go
new file mode 100644
index 0000000..a616063
--- /dev/null
+++ b/node/node_mac.go
@@ -0,0 +1,17 @@
+// +build darwin
+
+package node
+
+import (
+	"fmt"
+	"syscall"
+)
+
+func KillProcess(processId int){
+	err := syscall.Kill(processId,syscall.Signal(10))
+	if err != nil {
+		fmt.Printf("kill processid %d is fail:%+v.\n",processId,err)
+	}else{
+		fmt.Printf("kill processid %d is successful.\n",processId)
+	}
+}