Legal analysis: 1. If a legal person also participates in the operation of the store, it also needs to apply for a health certificate. As long as you are engaged in direct customer service, you need to have a health certificate. 2. Personnel who directly serve customers in public places can only take up their posts with health certificates.

Legal basis: Article 7 of the Regulations on Hygiene Management in Public Places * * * Personnel who directly serve customers in public places must hold health certificates before they can engage in their own jobs. Persons suffering from dysentery, typhoid fever, viral hepatitis, active tuberculosis, purulent or exudative skin diseases and other diseases that hinder public health shall not engage in direct customer service before they are cured.