Catering services business scope: restaurants, fast food restaurants, snack bars, beverage stores, canteens, collective meal distribution units. Restaurants (including restaurants, restaurants, hotels, restaurants, etc.): refers to meals (including Chinese, Western, Japanese, Korean, etc.) as the main business items of the unit, including hot-pot restaurants, barbecue restaurants. Fast food restaurant: refers to the centralized processing and distribution, on-the-spot meal consumption and rapid provision of dining services as the main form of processing and supply units. Snack bar: refers to dim sum, snacks as the main business items of the unit. Characteristics of catering services: catering services can only be used once, on the spot enjoyment, which means that only when the guests enter the restaurant after the report service can be carried out, when the guests leave the store, the service is also naturally terminated. Catering in the service utility on the intangible, it is different from fruits, vegetables and other tangible products, public from the color, size, shape and so on can distinguish its quality. Catering services can only be purchased through the dining guests, consumption, enjoy the service after the first-hand feeling to evaluate its good or bad.