How to bind a credit card for payment of train tickets

The steps to bind a credit card to pay for tickets are usually as follows:

1. Open the ticket purchasing platform or APP.
   
2. Find options such as “My” or “Account” on the homepage or menu bar.
   
3. After entering your personal account, find the “Payment Settings” or “Bind Payment Method” option.
   
4. Select “Bind Credit Card”.
   
5. Enter your credit card information, including card number, expiration date, and CVV code (usually the three digits on the back of the card).
   
6. Follow the prompts to complete the real-name authentication. You may need to enter personal information such as your ID number.
   
7. Set payment password or biometric information such as fingerprint/face recognition to facilitate subsequent quick payments.
   
8. After completing the binding, you can use the bound credit card to pay for the ticket.
   

Please note that the specific steps may vary depending on different ticket purchasing platforms or APPs. During the operation, please ensure information security and avoid leaking sensitive personal information.