Telephone card sales. Generally speaking, most banks can cancel their credit cards by just making a phone call. To cancel your card in this way, you must first ensure that there is no debt or balance in your credit card account. In this case, you can directly call the customer service phone of China Construction Bank, transfer to manual service, and apply for cancellation of credit card. There is another one that can be cancelled at the bank counter. Choosing to cancel your credit card at the bank counter is the same as going to the bank to cancel your credit card. When you cancel, you must bring your ID card and credit card, and if the credit card is in arrears, you need to bring some cash, so that you can easily cancel the credit card at the bank counter.