Generally speaking, the validity period of a credit card refers to the period of use of the credit card. Once the validity period expires, the old card can no longer be used. The validity period of the credit card will be marked on the card face, and shall be based on the month after the previous year. For example, on December 20, the validity period will be December 2020. If it has expired, you need to call the customer service of the issuing bank to inquire.

Before the credit card expires, the user can choose to replace the card with a new one or cancel the new card. When a user cancels a credit card, they need to repay the credit card debt and cannot overpay. In addition, there is a certain difference between canceling an account and canceling a card. After using your credit card on a daily basis, you must return it on time, and there must be no overdue payment, because there will be penalty interest for overdue use, and the longer the time, the more the penalty interest will be. And after the due date, the bank will take back the money. A common method of collection is to call the borrower until the user repays the money. In fact, when a credit card cannot be repaid on time. You can use installment payment or minimum repayment method, so that you can effectively avoid overdue payments.

A credit card is a credit certificate issued by a commercial bank or credit card company to a credit-qualified consumer. It takes the form of a card with the name, expiry date, card number and cardholder name printed on the front, and a magnetic strip and signature strip printed on the back. Consumers holding credit cards can go to specialized business service departments to shop or consume, and then the bank will settle the bill with the merchants and cardholders. Cardholders can overdraft within the prescribed limit. The relevant legal provisions of credit cards in our country (the Standing Committee of the National People's Congress interpreted the provisions of the Criminal Law of Credit Cards of the People's Republic of China) refer to all or part of consumption payments with payment cards issued by electronic commercial banks or other financial institutions. Credit loans, transfer settlement, deposits and withdrawals and other functions. On December 1, 2017, the "English Translation and Writing Standards for Public Service" was officially implemented. Credit card consumption is a non-cash transaction payment method that does not require cash when consumption and is repaid on the settlement date.

Bank card. This is a credit card issued by a bank. Cardholders can shop and consume at specialized merchants of the card-issuing bank, and can also withdraw cash at any time at branches of the card-issuing bank or ATMs. Non-bank credit card. Such cards can be specifically divided into retail credit cards and travel and entertainment cards. Retail credit cards are credit cards issued by commercial institutions such as department stores and petroleum companies. They are specially used for shopping at designated stores or refueling at gas stations, etc., and are settled regularly. Entertainment cards are credit cards issued by airlines, travel companies and other service industries and are used for ticket purchases, meals, accommodation, entertainment and other purposes.