The method of modifying the mobile phone number reserved for China Merchants Bank credit card is as follows:

1. Log in to the official website of China Merchants Bank Online, enter the personal banking professional version, enter the "user password" and click "Login"

2. Select "My Finance"

3. Select "Modify Customer Contact Information"

4. After entering, you will see the original reserved mobile phone Number

5. Enter the new mobile phone number and click OK

China Merchants Bank Credit Card Center-Modify/View Personal Information