Although the ID card information has been changed, the changed parts are the change of the issuing authority, issuance time and validity time, and address, but the 18 unique personal numbers of your ID card remain unchanged, so You do not need to cancel the credit card you opened before and you can continue to use it. The key is to pay attention to the credit card you opened before changing your ID card in time every time you use it. Otherwise, the consequences will follow your ID number information to find you, and it will still affect your credit card. Your record of integrity. Because the previous credit card is the easiest for people to forget. Taking this into consideration, it is recommended that you cancel your previous credit card. According to the latest credit card management regulations, credit card processing units cannot charge any fees to users who do not have an account but have a credit card. If you do not have an account, then do not open an account, and there will be no annual fee. and other expenses incurred. Just keep it as a treasure.