The method of increasing the temporary limit of traffic credit card is different from that of other banks, which generally require customers to apply actively. The temporary credit limit increase of Bank of Communications is automatically judged by the credit card computer system of Bank of Communications. If the system judges that you can increase the fixed credit limit on the next credit card billing date, the customer's application for temporary credit limit increase can be approved. On the contrary, if the system judges that the temporary credit limit cannot be increased on the next billing date, the application for temporary credit limit increase will be rejected.