1, payment and settlement;

The payment and settlement function of credit card can provide a wide range of settlement services, facilitate cardholders' shopping and consumption activities, reduce the use of cash and money in society, speed up the circulation of money and save social labor.

2. Exchange transfer;

The remittance function of credit card is embodied in the process of cardholder's going out for business trip, sales and vacation. In different places or even abroad, funds can be transferred by remittance through the outlets of member institutions of any international credit card organization.

3. Personal credit;

Cardholders can accumulate personal credit in financial institutions by using credit cards, and the accumulation of long-term excellent credit will bring many high-value returns to cardholders. Personal credit will involve all aspects of the cardholder's daily economic life.

4. selling on credit;

Credit card is essentially a credit purchase and sale certificate, and its operation mode reflects the support of commercial credit or bank credit. In fact, today's credit purchase and sale function of credit cards has changed from the initial commercial credit behavior to the bank credit behavior. The credit purchase and sale of credit cards has changed the traditional mode of consumption payment, expanded the scale of social credit, changed the direct transaction mode of cash on delivery into circuitous transaction, and changed the situation that the actual purchasing power of social money determines the social purchase behavior. Advanced purchasing power and expanded credit scale will inevitably expand the total social demand. In order to ensure the overall balance of the macro-economy, it is necessary to increase the total social supply to adapt to the expanding total social demand, thus promoting social and economic development.

5. Revolving credit;

Credit card is essentially a kind of consumer credit, which provides a revolving credit account with a clear credit limit. The borrower can use part or all of the credit line, and once the used balance is repaid, the credit line can be restored. Especially for credit card holders, as long as a certain minimum repayment amount is paid every month, the account and loan interest beyond this amount can be postponed to the next repayment period. If the borrower's account has been under the condition of revolving credit, the balance of the circulating loan can almost be regarded as an indefinite loan. Through revolving credit, cardholders can accumulate their own credit in financial institutions.

6. Shopping consumption

Credit card holders can settle accounts with cards in hotels, restaurants, restaurants, shops and other commercial institutions or outlets that accept credit cards. Shopping consumption is the most basic and primitive way to use credit cards. After checking in, dining and shopping, cardholders don't need to pay any fees immediately as long as they show their credit cards. The cashier can use the stamp machine or POS machine to handle the transaction, and the account consumed by the cardholder can be transferred from the credit card account to the merchant account immediately or delayed, so as to complete the purchase or payment.

7. Cash withdrawal

Cash withdrawal is an auxiliary use of credit cards. Cardholders can withdraw savings deposits from credit card accounts or borrow cash in advance at the branch counters or ATMs of card issuers. In fact, in foreign countries, card issuers do not encourage cardholders to use credit cards to withdraw cash, especially credit cards. Because the first credit card, debit card, is essentially characterized by credit sales and revolving credit, not just for the convenience of payment and settlement.

8. Payment by installment

The inherent core characteristics of credit card determine that it can realize installment shopping through revolving credit. In fact, the revolving credit provided by the credit card is a small consumer loan provided by the card issuer to the cardholder, which allows the cardholder to make credit shopping with the credit card and realize installment shopping through partial repayment.

9. Microfinance

Credit card not only has the function of fund payment, but also can be used by cardholders for microfinance, thus benefiting both parties to the transaction. Consumers get convenient loans, so as to better realize the synchronization of income and expenditure; Franchise merchants can sell goods to customers who can't pay cash, and speed up capital turnover through credit sales, thus expanding the scale of operation. Merchants can not only get all the benefits brought by credit sales, but also avoid the costs and risks of providing commercial credit to consumers.