The health certificate is valid for one year from the date of passing the medical examination.

Beijing: "Certificate of Health Examination for Beijing Public **** Health Practitioners": valid for one year from the date of passing the medical examination. Re-checking and replacement of the certificate must be done annually within the stipulated period.

Shanghai: the type of health certificate is divided into two kinds: one is the general health certificate. The other is the food health certificate, which is required for people in the catering industry. The health certificate is valid for one year and expires after one year.

Guangzhou: the health certificate is valid for one year, after the expiration date, you need to re-physical examination, pay the fee, and receive the certificate.

Shenzhen: health card is valid for one year, expired need to re-apply.