diff --git a/prepare_sdk.sh b/prepare_sdk.sh
new file mode 100755
index 0000000..c3e7b87
--- /dev/null
+++ b/prepare_sdk.sh
@@ -0,0 +1,35 @@
+#!/bin/bash
+
+MTK_FEEDS_DIR=${1}
+
+OPENWRT_VER=`cat ./feeds.conf.default | grep "src-git packages" | awk -F ";openwrt" '{print $2}'`
+
+if [ -z ${1} ]; then
+        MTK_FEEDS_DIR=feeds/mtk_openwrt_feed
+fi
+
+remove_patches(){
+        echo "remove conflict patches"
+        for aa in `cat ${MTK_FEEDS_DIR}/remove.patch.list`
+        do
+                echo "rm $aa"
+                rm -rf ./$aa
+        done
+}
+
+sdk_patch(){
+	files=`find ${MTK_FEEDS_DIR}/openwrt_patches${OPENWRT_VER} -name "*.patch" | sort`
+	for file in $files
+	do
+		patch -f -p1 -i ${file} || exit 1
+	done
+}
+
+sdk_patch
+#cp mtk target to OpenWRT
+cp -fpR ${MTK_FEEDS_DIR}/target ./
+#remove patch if choose to not "keep" patch
+if [ -z ${2} ]; then
+	remove_patches
+fi
+