Fast food system is more focused on the short time and convenient payment methods, to help customers realize a variety of ways to pay quickly. Shanghai local catering software Weimeng - smart restaurant is better, he fully exploited the function of WeChat, WeChat payment to customers from the offline entity transferred to the line, merchants can be based on the background data to accurately analyze the composition of the user, the taste of the dishes and services to make monitoring and adjustment. At the same time online integration of O2O services, such as micro-mall, micro-membership, third-party payment, can help restaurant merchants to build their own membership system.