means the time when the credit card is valid.

the front of the credit card is printed with the name of the issuer, expiration date, number, cardholder's name and other contents, and the back is provided with a chip, a magnetic stripe and a signature strip.

the validity period of a credit card is: it is known that the validity period of domestic credit cards is generally three or five years.

when paying online, you need to enter the card number, the validity period of the credit card, the number of Visa CVV2/MasterCard CVC2/ UnionPay CVN2 next to the signature column on the back of the card, and the online transaction password. Sometimes, you need to enter the name, the verification code randomly generated by the webpage, and so on. After the input is completed, click Submit to complete the online payment.

Extended information

Take the credit card of China Construction Bank as an example:

The validity period of the credit card is printed on the card face in the form of "month, month and year", and users can check the information of the credit card by themselves.

For example,

Tsinghua Dragon Card is generally valid for five years, depending on the card surface. The expiration date is printed on the front of the card below the 16-digit card number, and is divided by "/".For example, 12/16 means that your credit card will expire in December 216.

Baidu Encyclopedia-Credit Card

China Construction Bank-Credit Card Validity Period