As long as it touches the risk control system set by China Merchants Bank, China Merchants Bank will pull the cardholder into the small black room of China Merchants Bank's credit card. In fact, it is easy to understand that the cardholder's China Merchants Bank credit card is locked in a dark room, and it is not allowed to be phased, fixed or temporary. You can only swipe your daily credit card. So, what is the reason for entering the small black room of China Merchants Bank's credit card? What is the reason for entering the small black room of China Merchants Bank's credit card? First of all, if the credit card is illegally swiped, China Merchants Bank will pull the cardholder into the little black room. In addition, the expiration of the validity period of the ID card, overdue or minimum repayment, high total liabilities such as loans and credit cards are all reasons for being pulled into the little black house. It must be said that the cash installment method of China Merchants Bank has been used to increase the fixed amount, and cardholders with high or overdue credit cards in other banks will also be pulled into the little black room. Generally speaking, China Merchants Bank believes that cardholders will be dragged into the credit card darkroom of China Merchants Bank if they cash out with their credit cards, pay in large installments or have overdue behaviors.