Does it matter if the age of health certificate is wrong?

Yes, the wrong age on the health certificate will have an impact. According to the Regulations of People's Republic of China (PRC) on the Administration of Health Certificates, the age on the health certificate should be accurate. If there are mistakes, the validity of your health certificate may be affected. Therefore, it is suggested that you correct the age on the health certificate as soon as possible to ensure that the health certificate can be used normally.