Credit card loan means that the bank gives a certain amount according to the credit status of the credit card holder, and the cardholder can use the credit card for credit card consumption. Credit card loan repayment methods are divided into one-time repayment and installment repayment. Period is one of the credit services of bank credit card consumption, that is, credit card holders can choose to divide the total price of purchased goods or services into three, six, 12 or 24 installments.