With the booming development of the domestic catering market, led to the prosperity of the catering software, all kinds of catering software are numerous, ordering is just a basic functional unit in this kind of software. Nowadays, restaurants choose catering software mainly for membership and data precipitation, restaurant membership data including basic member information, consumption frequency, consumption amount, payment behavior, dining preferences, etc., can measure the important indicators of customer value. According to the 2016 food service market research report shows that 21.54% of restaurants believe that it is necessary to master membership data, 69.44% of restaurants believe that it is necessary to master, only 3.92% of restaurants believe that it is not necessary to master membership data, which shows that restaurants have a very strong demand for controlling member consumption data. In addition, when the restaurant chooses, low-cost, lightweight software is favored, because based on the WeChat platform, the restaurant can achieve low-cost, high-performance smart upgrade, and closer to consumers. At present, the domestic a la carte software Weimeng - smart restaurant belongs to the industry's most used software, which is an O2O solution for offline restaurants, through WeChat buy orders, online marketing, membership management, etc. to help the restaurant precipitate customers, tap customer value, and promote secondary consumption. Weimeng Smart Restaurant also realizes one-stop services such as WeChat takeout, ordering, payment, etc. It seamlessly connects the offline restaurant with the online merchant's own WeChat public number.