Health Certificate Public **** Place is a health certificate that operators or employees of public **** places such as restaurants, lodgings and entertainment are required to hold. It is mainly designed to ensure the hygiene and safety of public **** places and prevent the spread of infectious diseases. The application and review of health certificates are usually handled by the health department, and regular medical check-ups and training are required. Food grade, on the other hand, refers to a rating system in the field of food safety, which is used to assess hygiene standards and quality management in food processing, production and distribution. Food grade ratings are usually conducted by the relevant regulatory agencies to assess the hygiene status and management level of food businesses based on food safety regulations and standards. The results of food grade ratings can affect the reputation and market competitiveness of an organization.