Backstage service, on the other hand, refers to a series of work done for the production and service of food and beverage products in departments that are out of sight of guests, such as warehouses and kitchens.

Kitchen, refers to the room in which food can be prepared and cooked, a modern kitchen usually have equipment including stove micro, flow table and food storage equipment throughout the history of China's kitchen pattern of evolution, it depends on the development of productive forces on the one hand, and on the other hand, also determined by the natural conditions of the local area and the living habits of the residents.