Legal analysis: cooking and selling at home is also a health permit. Engaged in catering services, you must go through the corresponding examination and approval procedures, obtain food hygiene licenses, food circulation licenses and food production licenses, and apply for food business licenses in local food and drug supervision and management departments. Employees must obtain a health certificate.

Legal basis: Article 35 of the Food Safety Law of People's Republic of China (PRC), the state implements a licensing system for food production and operation. Engaged in food production, food sales, catering services, shall obtain a license according to law. However, sales of edible agricultural products and sales only in prepackaged foods do not require a license. Only selling prepackaged foods shall be reported to the food safety supervision and administration department of the local people's government at or above the county level for the record.