wechat is a good and effective channel to reach users twice and many times. Wechat is the most effective customer relationship management tool when there are few customers in the early stage of the store. Because WeChat is sticky enough, we can communicate with users directly and effectively, so WeChat is the main battlefield of our store's early operation. Exquisite lunch box stickers, lunch box waist seals, and the QR code and contact information are placed in an eye-catching position on the packaging.