if it is a CMB credit card, it cannot be activated after cancellation. If the account is cancelled within 6 months, you can call the credit card customer service hotline to try to apply for restoring the card. If your card is reserved, you can continue to use the previous card after recovery; If the card is destroyed, China Merchants Bank will re-send the card to the customer. If the account has been cancelled for more than 6 months, you need to apply again.