Legal analysis:

The food additive that is forbidden to be purchased and used by catering service providers is sodium nitrite. Food safety work should be based on prevention, risk management, whole-process control and social governance, and a scientific and strict supervision and management system should be established. Food producers and operators are responsible for the safety of the food they produce and operate. Food producers and business operators shall engage in production and business activities in accordance with laws, regulations and food safety standards, ensure food safety, be honest and self-disciplined, be responsible to the society and the public, accept social supervision and assume social responsibilities.

Legal basis:

Food Safety Law of the People's Republic of China

Article 2 Whoever engages in the following activities within the territory of the People's Republic of China shall abide by this Law:

(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) the production and operation of packaging materials, containers, detergents and disinfectants used for food and tools and equipment used for food production and operation (hereinafter referred to as food-related products);

(4) food producers and operators use food additives and food-related products;

(5) storage and transportation of food;

(6) Safety management of food, food additives and food-related products.

the quality and safety management of edible primary products (hereinafter referred to as edible agricultural products) shall comply with the provisions of the Law of the People's Republic of China on the Quality and Safety of Agricultural Products. However, the marketing 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.

article 3 food safety work shall be based on prevention, risk management, whole-process control and social governance, and a scientific and strict supervision and management system shall be established.

article 4 food producers and business operators shall be responsible for the safety of the food they produce and operate.

food producers and business operators should engage in production and business activities in accordance with laws, regulations and food safety standards, ensure food safety, be honest and self-disciplined, be responsible to the society and the public, accept social supervision and assume social responsibilities.