1. When binding a bank card, you need to verify the cardholder's real name information, that is, the information of {name, ID number}. 2. A micro-signal can only bind one real-name information. The real name information cannot be changed after binding, and the real name binding relationship will not be deleted when the card is released. 3. Only 10 (including 10) can be registered for the same ID number at most. 4. A bank card (including a credit card) can bind up to 3 micro-signals; 5. A micro signal can be bound to at most 10 bank cards (including credit cards); 6. A WeChat account can only set one payment password; 7. Online banking is not required for bank cards (except Bank of China and Industrial and Commercial Bank of China). As long as there is a reserved mobile phone number in the bank, you can bind WeChat payment. Note: Once the binding is successful, this micro signal cannot be bound to a bank card/credit card with other names. Please be careful.