CCB's credit card cannot be cancelled online, and CCB's bank card does not support online cancellation at present. If the user wants to close the account, the cardholder can bring his ID card and bank card to the nearby outlets, fill in the account closing documents according to the instructions of the staff, and apply for account closing. In addition, cardholders can cancel by phone. Before applying for account cancellation, all debts in the account should be paid off, all contractual relationships in the card should be dissolved, the card should be destroyed, and then the CCB Credit Card Center should be called to apply for account cancellation.