The medical insurance card is an identity certificate and settlement tool for medical reimbursement received by individuals after participating in medical insurance. The medical insurance card is valid for 10 years. During the validity period, the cardholder can enjoy various benefits of medical insurance with the medical insurance card, including hospitalization, outpatient service, reimbursement of drug expenses, etc. One month before the expiration of the medical insurance card, the cardholder needs to change the card at the local social security center or relevant departments before continuing to use the medical insurance card.