70th anniversary. The customer who applies for a credit card is 70 years old, and the service life of the credit card obtained by the customer is no different from that obtained by customers of other ages. The credit card is valid for five years. In five years, the bank will issue a new card. No matter whether the user is 65 or 25 years old, the service life of the credit card will not decrease due to age. Credit card refers to various media that record the relevant information of the cardholder's account, have the function of bank credit line and overdraft, and provide relevant banking services for the cardholder.