Smart canteens need to be bound with Alipay and face recognition. Generally, only one account can be bound. Smart canteen is an advanced comprehensive canteen management system, which can provide new mobile Internet digital integration solutions for group dining industries such as campus canteens, university canteens, hospital canteens, bank canteens, government canteens and staff canteens. Help enterprises to abandon the disadvantages of traditional canteen management, take advantage of the convenience of mobile internet management, take operation and management as the core, and establish advanced catering concepts and advanced network group catering solutions from the inside out. Intelligent canteen caters to the development trend of mobile Internet, and creates a convenient canteen ordering mode, so as to realize meticulous preparation/purchase, eliminate waste, strengthen the interaction between diners and canteens, and improve the dining experience and canteen service level. "At the same time, the intelligent canteen has powerful management functions, including not only the basic canteen management functions such as supplier, procurement, inventory, cost, food safety, kitchen brightness, business situation analysis and card management.