The credit limit of China Postal Savings Bank's credit card, the cash advance limit and the current available limit are related, and the latter two are limited by the credit limit, that is, they cannot exceed the credit limit of the bank's credit card.

The so-called credit limit of China Postal Savings Bank's credit card is the cyclic overdraft limit approved by the credit card holder, and the cardholder can make signature consumption transactions and cash advance transactions in each period.

The so-called cash advance limit of China Postal Savings Bank's credit card, that is, the maximum cash advance transaction limit of the bank's credit card holders, generally does not exceed 50% of the credit limit.

The available credit line of China Postal Savings Bank is the highest credit line that credit card holders can use at a certain point.