If it is a China Merchants Bank credit card, revolving interest is charged when you use revolving credit to repay or use cash advance. If you repay all the consumption payments in full before the due date of the current bill cycle, you can enjoy the interest-free period by swiping your card and no recurring interest will accrue; if you do not repay all the current bills on time, it will be regarded as With revolving credit, interest will be accrued on all purchases in the current period starting from the accounting date (usually the day after consumption), with a daily interest rate of 0.05% until you pay it off in full. If you use the cash advance function, the cash advance portion will not enjoy the interest-free period. Interest will be accrued from the day you withdraw the cash, with a daily interest rate of 0.05% and compound interest calculated on a monthly basis until you pay it off.