“King’s Buffet&Grill”.which is an informal western-style banquet widely used in the world, is especially common in large-scale business activities. Its specific course of action is, do not prepare dinner, and choose food by oneself when have dinner at will by diner, drink, or stand or sit next, free ground is together with others or it is to have dinner alone one person ground. The reason why buffet is called buffet is mainly because it can mobilize the subjective initiative of diners when eating, and let them do it themselves, help themselves, and arrange the selection of dishes within the established range. There are also some semi-finished products to be processed by the diners themselves.