This is a personal consumption habit. Credit cards can accumulate personal credit and earn points, and many banks have preferential cooperation with some businesses. The longest interest-free period is 50 days, and some of them reach 56 days. In addition, credit card repayment is very convenient. I often use Lacarra terminals in major shopping malls, convenience stores and pharmacies. Many banks support timely repayment without handling fees, and can also repay through online banking, Alipay and Tenpay. Another way to prevent you from forgetting to repay is to bind your debit card, which will be automatically deducted every repayment day, provided that there is enough money on your card to deduct it, even if the difference is 0. 1 yuan, it will not be deducted successfully. To avoid withdrawing cash from credit cards, the handling fee and interest are very expensive. The most important thing is that you can't enjoy interest-free period. . . I think so much for the time being, you can ask. . .