Legal analysis: this can be used, as long as the validity period of health certificates handled by regular medical institutions is 1 year. Under normal circumstances, health certificates are very common in the local area.

Legal basis: People's Republic of China (PRC) Food Safety Law.

Article 41 The production of food-related products shall comply with food safety laws and regulations and national standards. For high-risk food-related products such as packaging materials that come into direct contact with food, production licenses shall be implemented in accordance with the provisions of the State Administration of Production Licenses for Industrial Products. The food safety supervision and management department shall strengthen the supervision and management of the production activities of food-related products.

Article 45 Food producers and business operators shall establish and implement the health management system for employees. Persons suffering from diseases that hinder food safety as stipulated by the administrative department of health of the State Council shall not engage in direct contact with imported food.

Food production and marketing personnel engaged in direct contact with imported food shall undergo annual health examination and obtain health certificates before taking up their posts.