1. Magnetic stripe card: The validity period is the day the card is opened. You can check the card opening date at a bank card express outlet. The magnetic stripe card has no expiration date and can be used as long as the card is normal.

2. Chip card: The validity period is also the day when the card is opened. The expiry date will be indicated on the card, which is under the card number, such as 0130, which means the card expiration date is January 2030.

3. Credit card: The effective date is the card opening date, and the expiration date is the same as the chip card. It will be displayed on the card and the user can check it.

4. BankCard is a general term for new service tools issued by banks for customers to make cash deposits and withdrawals, transfer and receive payments, or obtain goods and services from special merchants. Various bank cards are made of plastic and are used for deposits, withdrawals and transfer payments, also known as "plastic money".