2. Select "wallet".

3. Select "Add Bank Card".

4. Enter the payment password according to the prompt for adding a new credit card.

5. Enter the password and fill in the credit card number to be bound.

6. In the transaction process after WeChat binds the credit card, Tencent backstage provides big data and cloud computing to judge whether there is risk in the whole transaction process, provide identity protection, and provide security authentication and reminder.