The temporary credit line of CCB's credit card (debit card) will not be reduced. When the system gives the cardholder a temporary credit line, it will generally give an integer directly, and the temporary credit line will become invalid after its validity expires. Even if the borrower's fixed line is reduced within the limited temporary line, the temporary line given by the system will not be reduced. If the borrower uses the credit card (debit card) illegally, and the credit card (debit card) is blocked, the temporary line will be directly recovered, and there is no saying that the line will be reduced. If the cardholder can use the user reasonably, he can also change the temporary quota into a fixed quota.