diff --git a/Readme.md b/Readme.md
index 8828433..23de6e0 100644
--- a/Readme.md
+++ b/Readme.md
@@ -1,4 +1,5 @@
 # Readme
 
 ## 脚本列表
-- 带内执行power cycle ：[inband_dc_cycle.sh](./inband_dc_cycle.sh)
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+- 带内执行power cycle ：[inband_dc_cycle.sh](./inband_dc_cycle.sh)
+- OS执行reboot ：[os_reboot.sh](./os_reboot.sh)
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diff --git a/os_reboot.sh b/os_reboot.sh
new file mode 100644
index 0000000..b6fa65d
--- /dev/null
+++ b/os_reboot.sh
@@ -0,0 +1,72 @@
+#!/bin/bash
+
+#### About this script
+# Brief         : This script is used for os reboot
+# Input Params  : 1.Reboot times
+# Example       : ./os_reboot.sh 500 &
+# Tips          : if want to check anything before cpu reboot,
+#                 put code into function pre_check(Line:34)
+
+# ----------------------------------------------------
+# Varible Defination
+# ----------------------------------------------------
+aim_cnt=$1
+
+PARAM_NUM="1"
+LOG_FILE="os_reboot.log"
+LOCAL_CNT_FILE="count.txt"
+
+# ----------------------------------------------------
+# Function Defination
+# ----------------------------------------------------
+print_usage(){
+    echo ">>>> Script Usage - os_reboot.sh"
+    echo "Format: ./os_reboot.sh [cnt] &"
+}
+
+is_param_legal(){
+    if [ $# -ne $PARAM_NUM ];then
+        print_usage
+        exit 0
+    fi
+}
+
+pre_check(){
+    # check if local cnt file exist
+    if [ -f $LOCAL_CNT_FILE ];then
+        echo "Local cnt file exist ..." >> /dev/null
+    else
+        echo "Local cnt file doesn't exist, so creat it ..." | tee $LOG_FILE
+        echo 1 > $LOCAL_CNT_FILE
+    fi
+
+    echo "---------------------------------------------" | tee $LOG_FILE
+
+    #Todo if need check something
+    
+    sleep 120
+}
+
+start_os_reboot(){
+    local_cnt=`cat $LOCAL_CNT_FILE`
+
+    if [ $local_cnt -le $aim_cnt ];then
+        echo "Index $local_cnt : will execute reboot" | tee $LOG_FILE
+
+        sleep 1
+
+        local_cnt=$(($local_cnt+1))
+        echo $local_cnt > $LOCAL_CNT_FILE
+
+        reboot
+    fi
+}
+
+# ----------------------------------------------------
+# The start of script
+# ----------------------------------------------------
+is_param_legal
+
+pre_check
+
+start_os_reboot
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