Demon. Excessive reliance on credit card consumption may also lead to the deterioration of financial situation, and even fall into the inevitable debt trap. At the same time, failure to repay on time will generate high interest and late fees, which will lead to debt problems. Credit card is a payment tool. Cardholders can spend money in stores, internet and telephone channels within a certain credit limit, and repay the amount and interest they have consumed within the repayment period specified in the future.