Hello, if it is a China Merchants Bank credit card, please provide an error report so that we can further help you determine. Generally, there are several reasons why you cannot withdraw money: 1. The credit card available limit is not enough 2. The credit card cash advance limit is not enough: the cumulative amount of cash withdrawals generally does not exceed 50% of your credit limit (youth card can advance 100%. 3. Card Abnormal status/loss of magnetism: Please recall whether there have been any overdue repayments recently/try with other machines. If it still doesn't work, you can only apply for card replacement. 4. Machine communication problems 5. Exceeding the limit: Daily reservation for each card. The cumulative amount of cash borrowed shall not exceed RMB 2,000; the cumulative daily cash advance amount of each overseas household shall not exceed the equivalent of US$1,000, the cumulative amount within 1 month shall not exceed the equivalent of US$5,000, and the cumulative amount within 6 months shall not exceed the equivalent of US$10,000. .