Credit card is a special card issued by banks or other financial institutions to those with good credit standing, and it is a special credit certificate. Cardholders can shop and spend money at merchants designated by card issuers, and can also deposit and withdraw cash at designated banking institutions.

I. Definition of Credit Card

In a broad sense, any special card that can provide credit proof for the cardholder and enable the cardholder to shop, spend or enjoy specific services with the card can be called a credit card. In a broad sense, credit cards include credit cards, quasi-credit cards, debit cards, savings cards, ATM cards, check cards and credit cards.

in a narrow sense, foreign credit cards mainly refer to credit cards issued by banks or other financial institutions, that is, credit cards that can be loaned and consumed without pre-deposit, and credit cards that consume first and then repay; Domestic credit cards mainly refer to credit cards, that is, quasi-credit cards. Bank card refers to a credit payment tool issued by commercial banks and postal financial institutions to the society with all or part of the functions of consumer credit, transfer settlement, cash deposit and withdrawal, etc. Bank cards can be divided into credit cards and debit cards. Credit card is a kind of bank card, including credit card and quasi-credit card. Credit cards can be overdrawn within the credit limit stipulated by the bank. Debit cards do not have overdraft function. People are used to calling bank cards with overdraft function credit cards.