According to the portal website of Shenzhen Municipal People's Government, employees in food and public places in Longhua District of Shenzhen can have a preventive physical examination free of charge with the work certificate and original ID card of the enterprise (or the work place belongs to Longhua District). If they pass the physical examination, they can apply for a health certificate directly without any charge. It should be reminded that during the epidemic, when employees go to handle it, please read the prevention and control instructions issued by the appointment agency carefully and make relevant preparations in advance, such as negative nucleic acid certificates and health declaration materials.