First of all, before opening a store, you must have at least the "Food Business License" or "Food Production License" of the business entity. One of the two certificates will prove that after the Douyin store opens, the categories required Product qualifications: 1. "Food Production License": To operate domestic pre-packaged food, the manufacturer's "Food Production License" must be provided. 2. Fresh eggs - if you are a farmer, you need to provide the "Animal Epidemic Prevention Conditions Certificate" - If you are a purchaser and seller, you need to provide the procurement certificate, "Animal Epidemic Prevention Conditions Certificate" 3. Fresh meat - "Animal Epidemic Prevention Conditions Certificate" Condition Certificate", "Animal Inspection and Quarantine Certificate" - If it is pork products, a "Designated Pig Slaughter Certificate" is required. 4. Imported cold chain fresh food: - Product nucleic acid test report - Operator's disinfection certificate 5. Green food certification Certificate: Claimed green food needs to be provided; 6. Organic food certification certificate: Claimed organic food needs to be provided, organic conversion certificate is invalid (imported food needs to provide organic certification issued by the Chinese organic certification agency). 7. Agricultural genetically modified organism safety certificate: required for claiming genetically modified food. 8. Certification certificate for pollution-free agricultural products: Agricultural products claiming to be certified as pollution-free agricultural products must be provided. 9. Registration certificate of geographical indications of agricultural products: agricultural products that mark the place of origin are required. For example, Yangcheng Lake hairy crabs need to be provided. 10. Certificate of origin: Imported goods claiming origin must be provided. 11. Entrusted processing agreement: If there is an entrusted production relationship in the product label, the entrusted processing agreement between the brand owner and the manufacturer must be provided, and a product list must be attached. 12. Customs declaration form: To operate imported goods, you need to provide the customs declaration form for imported goods from the Customs of the People's Republic of China and the People's Republic of China within the past year. The corresponding brand name and product name should be displayed on the customs declaration form; (if the operating unit on the customs declaration form is Or the receiving unit is not in the authorization chain and needs to provide an entrusted import agreement at the same time). 13. Inspection and quarantine certificate for entry goods (provided by those who operate imported goods): An inspection and quarantine certificate that is consistent with the contract agreement number on the customs declaration form is required. 14. Quality inspection report: Provide a quality inspection report containing CMA or CNAS certification issued by a third-party authoritative quality inspection agency within the past year.