After the Bank of China credit card is activated, you can resume use if you just cancel the card after cancellation. However, if you cancel the account, you cannot use it.

How to restore a bank credit card after cancellation:

1. It can be restored if the card is canceled but the account is not closed. If the account is not closed, you can restore the card through customer service staff and check the information when opening the card as required.

2. If the card is canceled and the account is canceled, it cannot be restored. If the cardholder goes through the account cancellation procedures when canceling the card, the credit card recovery process will not be possible.

Bank credit card account cancellation process:

1. Call the bank credit card service hotline, and the customer service staff will inform the customer of the credit card status;

2. Apply for processing 45 days after the account is closed, if the customer's credit card has no outstanding balance, the bank's customer service staff will close the credit card account;

3. If the credit card still has outstanding balances and needs to be repaid, it can be canceled;

4. If there is still a balance left, you can return it to a bank branch.