bank CCMS refers to the credit card business management system of China bank. It is the core business system of China Bank Credit Card Center, which is used to manage and handle credit card business. CCMS provides credit card application, card issuance, transaction processing, account management, risk control and other functions. Through CCMS, banks can monitor credit card transactions in real time, conduct risk assessment and anti-fraud measures, and provide functions such as customer service and report analysis.