1. See if you use a credit card. If you want to use it, you need to update your ID card information.

2. If the ID card is about to expire, you will generally receive a short message reminder from the bank card one to three months before the expiration to remind the cardholder to update his identity information.

3. Go to the branches of China Bank to update, bring your new ID card and bank card, and go directly to the counter, which is very convenient.

4. If mobile banking is enabled, you can directly log in to the mobile banking APP of Bank of China, submit photos of the front and back of your ID card according to the operation after logging in, and click "Update".