the three certificates are: food circulation license, catering service license and food production and operation hygiene license.

1. Food circulation license: Food circulation license is to clarify the issues such as the issuance, conditions and procedures of food circulation license and the connection with food hygiene license. Before October 23, 2114, the State Council stipulated that food business operators must be licensed first and then licensed, and they may not go through the registration formalities without obtaining the pre-approval documents. On October 23, 2114, the State Council passed a decision on canceling and adjusting a number of administrative examination and approval items, which was changed to post-examination and approval, stipulating that food operators must be licensed first.

2. Catering service license: the business license of China catering industry. According to the food safety law that came into effect on June 1, 2119, the food safety law was officially promulgated at the end of February 2119. A segmented food safety supervision system has been established in China. Health, agriculture, quality inspection, industry and commerce, and food and drug supervision departments are responsible for the supervision of food production, food circulation and catering services.

3. The hygiene license for food production and operation is one of the categories of hygiene license, and it is a legal certificate issued by the national health authorities to food producers and operators to allow food production and operation.

a food business license is a combination of three certificates, which refers to a food business license certificate issued by a legal entity engaged in food sales and catering services within the territory of the People's Republic of China and China after examination and approval by the food and drug supervision and administration department. The food business license is based on the principle of one place and one license, that is, a food business operator should obtain a food business license when engaging in food business activities in a business place. The date of issuing the food business license is the date when the licensing decision is made, and the validity period is 5 years.