handle it again.

the food circulation license is valid for 3 years. After the expiration of the validity period, employees need to go to the local CDC to apply for a health certificate, then go to the health window of the local administrative service hall to apply for a food hygiene license, and finally go to the industrial and commercial window of the local administrative service hall to apply for self-employed industrial and commercial registration.

hygiene license refers to the hygiene license certificate issued by units and individuals engaged in food production and business activities of restaurants after examination and approval by the administrative department of health, with the license number registered for the record.