Self-service application can be made in official website, the bank to which the credit card belongs. Take China Merchants Bank as an example. The usage method is as follows:

First, open Baidu search, enter "China Merchants Bank" in the search bar, find China Merchants Bank official website after the search and click Enter.

2. After entering China Merchants Bank official website, find the item "Credit Card" and click Enter.

3. After entering the credit card, find "Do it now" and click Enter.

4. Then find the type of application card, and click Apply Now to enter.

5. Enter the corresponding information after input.

6. Select the card type of the application card and enter the mobile phone verification code for verification.

7. After verification, agree to the service agreement, and then click Submit Now to complete the credit card application.