The invention provides an intelligent dining subscribing system and method. The intelligent dining subscribing system comprises a client side and a background data management system. The client side displays dining high peak and low peak and transmits the dining high peak and low peak to the background data management system, and provides a dining fitness level. The client side comprises three modules of intelligent ordering, on-line prepayment and subscribing cancelling and a site real-time guidance system, and is connected with the background data management system. A user enters the ordering module after determining the dining, the client side sends an empty position table after the dining time is subscribed, and the user selects the dining position by oneself, and screens varieties of food. After the ordering is over, the data is transmitted to the background data management system, the deposits is pre-paid, and a third party payment module is switched. The positioning is realized by the site real-time guidance system, and the dining is guided. The time, space and human cost are greatly saved, the resource waste is reduced, and multiple harvest of resource, profit and customer experience can be finally realized.