Because the cardholder kept his credit card account. According to the relevant information of PUFA Credit Card, since the cardholder kept his credit card account, the account still exists after the cancellation of PUFA Credit Card. When the Pudong Development Credit Card is cancelled, the cardholder keeps the credit card account and only cancels the credit card. When the credit card is cancelled, the bank will only cancel the credit card by default and keep the credit card account. As long as the credit card account is kept, the credit card can be resumed. At the same time, the card number of the credit card will not change.