The health certificate is valid for one year and needs to be re-examined every year. Handling fee includes theoretical knowledge training fee and business card printing fee 10 yuan. If you change your work unit within one year, you need to change and pay a fee. The date of issuance will be written on the card. As long as the next year's issuance date is reached, this health certificate can no longer be used (if your issuance date is 202 1.9.22, this certificate will be invalid on September 22, 2022).