The installment payment business of car purchase by credit card means that the cardholder applies to the bank for buying a family car at a dealer designated by the bank with a credit card when agreeing to pay the down payment; After the approval of the bank, the approved amount will be divided into several installments on average, and the cardholder will repay the loan every month within the agreed time limit and pay a certain handling fee. At present, most of the credit card car installment payment services launched by banks are "zero interest and low fees", which means that interest is generally not charged, but a one-time (that is, the first month's bill) charge a fee ranging from 3%- 10% (the fee varies according to the number of installments), and some banks charge a monthly fee. However, at present, some card-issuing banks and auto companies cooperate to promote auto payment, and even waive the handling fee. Payment methods are generally 12, 18, 24, etc.