1. If it is suspected that the bank is cashing out, we can contact the issuing bank to explain. After finding out the relevant reasons, the general bank will restore your credit card limit;
2. If the repayment is overdue, immediately make up the arrears, repay in full, and make a record of using the card so that you can call the bank to apply for the withdrawal amount in a few months;
3. Another possibility is that it is used too little. Everyone can spend more, swipe their cards, broaden the scope of credit card swiping, swipe their cards online and offline, and the swiping time should be logical, avoiding before 6 am and after 12.