diff --git a/Readme.md b/Readme.md
index 23de6e0..552fd8d 100644
--- a/Readme.md
+++ b/Readme.md
@@ -2,4 +2,5 @@
 
 ## 脚本列表
 - 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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+- OS执行reboot ：[os_reboot.sh](./os_reboot.sh)
+- 使用YAFU带内升级BMC ：[inband_stress_update.sh](./inband_stress_update.sh)
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diff --git a/inband_stress_update.sh b/inband_stress_update.sh
new file mode 100644
index 0000000..b291ebf
--- /dev/null
+++ b/inband_stress_update.sh
@@ -0,0 +1,84 @@
+#!/bin/bash
+
+#### About this script
+# Brief         : This script is used for inband bmc update by yafuflash
+# Input Params  : 1.update times
+# Example       : ./inband_stress_update 200 ./image1 ./image2 &
+# Tips          : if want to check anything before stress update,
+#                 put code into function pre_check(Line:37)
+
+# ----------------------------------------------------
+# Varible Defination
+# ----------------------------------------------------
+aim_cnt=$1
+image1=$2
+image2=$3
+
+PARAM_NUM="3"
+YAFU="./Yafuflash"
+LOG_FILE="./inband_stress_update.log"
+sleep_time=600
+
+# ----------------------------------------------------
+# Function Defination
+# ----------------------------------------------------
+print_usage(){
+    echo ">>> Script Usage - inband_stress_update.sh"
+    echo "Format   : ./inband_stress_update.sh [cnt] [image1] [image2]" 
+}
+
+is_param_legal(){
+    if [ $# -ne $PARAM_NUM ];then
+        print_usage
+        exit 0
+    fi
+}
+
+pre_check(){
+    # check if local cnt file exist
+    echo "---------------------------------------------" | tee $LOG_FILE
+
+    #Todo if need check something
+    ipmitool mc info | tee $LOG_FILE
+    if [ $? -ne 0 ];then
+        echo ">>> BMC Die, script terminated ..." | tee $LOG_FILE
+        exit 0
+    fi
+}
+
+start_stress_update(){
+    cnt=0
+    use_image=$image2
+    while true
+    do
+        cnt=$(($cnt+1))
+        echo ">>> start test index $cnt" | tee $LOG_FILE
+
+        pre_check
+
+        # select image to use
+        if [ "$use_image" == "$image1" ];then
+            use_image=$image2
+        else
+            use_image=$image1
+        fi
+        echo ">>> Use Image : $use_image" | tee $LOG_FILE
+
+        # start update
+        $YAFU -cd $use_image -pc | tee $LOG_FILE
+        echo ">>> End of update , start sleep 600s ..." | tee $LOG_FILE
+
+        if [ $cnt -le $aim_cnt ];then
+            sleep $sleep_time
+        else
+            echo ">>> Complete stress update, Exit ..." | tee $LOG_FILE
+        fi
+    done
+}
+
+# ----------------------------------------------------
+# The start of script
+# ----------------------------------------------------
+is_param_legal
+
+start_stress_update
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