To modify the credit card payment limit of Bank of Communications, users can directly call the credit card customer service hotline of Bank of Communications and apply for adjustment by transferring to manual customer service. Users need to provide personal identity information and related materials when communicating with bank staff, so that the bank can adjust the limit according to users' personal comprehensive qualifications. The bank will determine the new payment limit according to the user's credit history, income and other related factors. Once the adjustment is completed, the user will pay by credit card according to the new adjustment amount in the future to meet the user's needs and payment ability. By calling the customer service hotline and communicating with the bank staff, users can easily modify the payment limit of the Bank of Communications credit card.