The old card has not been cancelled: in this case, even after the credit card expires, the old card account still has debts, and it is necessary to pay off the debts of the old card first. If you have started to use the second new card, you need to pay attention to the arrears of the two cards.

2. The old card has been cancelled: in this case, only the debt of the new card needs to be repaid. Although the two cards belong to the same person, if the old card has been cancelled, it proves that there is no associated debt, just pay off the debt of the new card. The specific verification method can be called the customer service hotline of the relevant bank and asked clearly.