If you upgrade from a Bank of Communications ordinary credit card to a platinum card, you need to change the card. Things to note when changing the card: \x0d\ 1. Pay attention to the continuity of points and other rights and interests \x0d\ Many cardholders are not clear about the points rules of credit cards , Therefore, the points will be cleared after changing the credit card. Therefore, it is recommended that cardholders understand the points rules of the credit card they hold before changing their credit cards to avoid damaging their own interests. \x0d\　2. Whether the credit card number has been changed\x0d\ Sometimes when changing the credit card, the credit card number will also change, which will bring great inconvenience to the cardholder. If other cards are bound, it will also cause Automatic repayment is not possible, so cardholders should pay attention to their credit card numbers and keep changing relevant bindings in a timely manner. \x0d\ 3. Pay close attention to the card replacement process to avoid counterfeiting and theft \x0d\ When a cardholder's credit card is changed, the bank will notify the card owner to change the card by registered letter or email, but this process is prone to errors, for example, Many banks do not verify the identity when delivering registered mail, or deliver it directly to the home mailbox, so it is easy to be falsely claimed; if it is an email, it is also very dangerous to be phished by a phishing website. \x0d\ 4. Pay attention to the cost of card replacement. It is best to apply first and then cancel the card. \x0d\ The cost of card replacement is also something that cardholders need to consider, because the bank will charge fees related to card loss, damage to the magnetic strip, etc., and the replacement of chip cards. The cost is high. \x0d\ 5. Installment annual interest \x0d\ Before changing the card, you should also pay attention to the credit card's installment situation to understand whether changing the card will have an impact on the credit card's annual installment interest, whether there will be any changes in handling fees, etc.