Take China Merchants Bank Credit Card Association Netcom as an example, the steps are as follows:

1. Open the mobile banking of China Merchants Bank, and register and log in to your personal Netcom account.

2. After entering, click "One Netcom User" in "My" in the lower right corner.

3. Find "Card Management" in the page to view the related bank card information.

4. Click "+"to add the credit card to be bound, and enter relevant information as required for binding.