yes. Food and drug supervision and management departments and agricultural departments will randomly check whether there are food safety hazards in tea shops, so the health certificate of Mi Xue Bing Cheng should be hung on the wall in case it can be taken out directly during inspection. If it is not checked, a fine is required. A health certificate is valid for one year, mainly a certificate issued by a national authoritative medical institution. It is valid anywhere, but only within its validity period. After the validity period expires, it will have no effect.