The bank card will be frozen. Personal bank card transfers frequently, the flow is too large, and it is monitored by the bank for anti-money laundering, and the card status is adjusted to abnormal. According to the anti-money laundering regulations of the People's Bank of China, if the account frequently appears "centralized transfer and decentralized transfer; Decentralized transfer, centralized transfer; " Then the personal bank card will be temporarily frozen by the bank. It will not thaw until it is confirmed.