Savings card is a kind of financial transaction card issued by the bank to provide financial services for depositors, which belongs to a kind of debit card. Its main function is to deposit and withdraw money at networked ATMs and bank counters and spend it at networked POS machines. The main function of a savings card is to save deposits. Cardholders can read and manually enter passwords through the electronic payment network established by the bank and the magnetic stripe of the card, so as to realize credit card consumption, ATM withdrawal, transfer and various payments. The expenses incurred through the card are equal to the decrease in the balance of the savings account. If the account balance is zero, the payment function of the card will also be reduced to zero. The application for a savings card is very simple, and you can get it right away without bank approval.

2. Debit card refers to a bank card with no overdraft function that can be consumed (or cashed out) after deposit. According to their different functions, it can be divided into debit cards (including savings cards), special cards and stored-value cards. Debit card is a credit tool with the functions of transfer settlement, cash deposit and withdrawal, shopping and consumption. Debit cards cannot be overdrawn. The transfer card has the functions of transfer, cash deposit and withdrawal and consumption. Special card is a debit card used for specific purposes (except for department stores, restaurants and entertainment industries) in a specific area, which has the functions of transferring money and depositing and withdrawing cash. Stored value card is a prepaid wallet debit card in which the bank transfers funds to the card for storage according to the cardholder's requirements, and directly deducts money from the card during the transaction.

Third, Credit Card (English: credit card), also known as credit card. It is a non-cash transaction payment method and a simple credit service. Credit cards are issued to cardholders by banks or credit card companies according to the credit and financial resources of users. Cardholders do not need to pay cash when using credit cards, but will make repayment on the billing date.

Credit cards are divided into credit cards and quasi-credit cards. Credit card refers to the credit card issued by the bank, which gives the cardholder a certain credit limit, within which the cardholder can spend first and then repay. A quasi-credit card refers to a quasi-credit card issued by a bank. The cardholder deposits a certain amount of reserve fund according to the regulations. When the balance of the reserve fund account is insufficient to pay, it can be overdrawn within the prescribed credit limit. Credit cards generally refer to credit cards.