Legal analysis: The three food licenses are: catering service license, food circulation license and health food business enterprise hygiene condition audit certificate, but they have been formally merged into food business licenses, with one license and one batch. Materials required for food business license: 1, application for food business license; 2, the legal representative, the owner or the person in charge of the identity certificate; 3, the production and operation site plan; 4, food practitioners health examination and training certificate; 5, new construction, renovation and expansion projects of preventive health audit materials; 6, laws, regulations, rules or other materials required by the administrative department of health.

Legal basis: Article 2 of the Food Safety Law of People's Republic of China (PRC) shall abide by this Law when engaging in the following activities in People's Republic of China (PRC): (1) Food production and processing (hereinafter referred to as food production), food sales and catering services (hereinafter referred to as food business); (2) Production and operation of food additives; (3) Production and operation of packaging materials, containers, detergents and disinfectants for food and tools and equipment for food production and operation (hereinafter referred to as food-related products); (four) the use of food additives and food-related products by food producers and operators; (5) Storage and transportation of food; (6) Safety management of food, food additives and food-related products. The quality and safety management of edible agricultural products (hereinafter referred to as edible agricultural products) shall comply with the provisions of the Law of People's Republic of China (PRC) on the Quality and Safety of Agricultural Products. However, the sales of edible agricultural products, the formulation of relevant quality and safety standards, the publication of relevant safety information and the provisions of this law on agricultural inputs shall abide by the provisions of this law.