Personal health certificate, food business license, industrial and commercial business qualification certificate, tax certificate.

1. Personal health certificate: This is to prove that the stall owner is in good health and meets the conditions for engaging in food business activities. To apply for a personal health certificate, you need to go to the local Center for Disease Control and Prevention and prepare ID cards, physical examination reports and other relevant materials.

2. Food business license: This is a necessary document for carrying out food business activities. It is necessary to apply to the health administrative department for filing and prepare corresponding application materials, such as the identity certificate of the food operator, proof of house rental or purchase of the food business premises, acceptance report of health facilities and equipment, etc.

3. Industrial and commercial business qualification certificate: This is a necessary document for engaging in industrial and commercial business activities. You need to go to the local industrial and commercial bureau to apply, and prepare your personal valid resident ID card, trademark registration certificate and other relevant materials.

4. Tax certificate: This is a necessary document for engaging in tax payment activities. You need to go to the local tax bureau and prepare taxpayer identity certificate, invoicing information, tax registration application form, etc.