1. Open my credit card application or website and log in to my account.

2. In the application or website, find options such as "Settings" or "Account Settings".

3. On the "Account Settings" or "Settings" page, find options such as "Family Members" or "Family Members Group".

4. Click "Add Family Member" or "Add Family Member Group", and then follow the prompts to fill in the relevant information.

5. Make sure that my information is filled in correctly, and then submit the application. Need to confirm with the credit card company whether additional documents or information are needed.

6. After the binding is successful, you can view the credit card information of family members and use their credit cards for consumption.