1. During the use of credit card (debit card), there is no continuous consumption. If the credit card (debit card) is not used for one month, it will also affect the increase of the quota;
2. The credit card (debit card) consumption limit is too low. If the credit card (credit card) consumption limit is always lower than 30% and not higher than 50%, the bank will think that this limit is suitable for your needs and will not increase it for you.
The credit card (debit card) has expired. If the previous repayment by credit card (debit card) is overdue, it is unlikely to increase the credit line. It is suggested to keep a good repayment habit and apply for increasing the credit line in the later period.