There are 4 ways to check the credit limit of China Merchants Bank:

1. Online banking inquiry: log in to the official website of China Merchants Bank Credit Card, click "Account Management-Account Inquiry" on the homepage to check the credit card limit.

2. Telephone inquiry: Call the China Merchants Bank credit card service hotline 4008205555, enter personal information for verification, and press 2 to inquire the credit card limit.

3. Mobile banking inquiry: Download and open the China Merchants Bank mobile app, log in to your personal account, and click "My - Limit Inquiry" to check the available limit.

4. Check the credit card balance through the ATM machine.