Hello, China Merchants Bank credit card has no special reserve business. According to what you said, when your credit card spending limit is insufficient, you can try to apply for increasing the credit card limit or deposit it in your credit card account before spending.

If you still have questions, you can add "QQ" or "WeChat" to experience the function of "micro customer service" platform, or you can call for help.

Method 1: Search for "4008205555" among QQ corporate friends and add "China Merchants Bank Credit Card Center" as a friend; Or WeChat search for "cmb4008205555" and pay attention to China Merchants Bank Credit Card Center.

Method 2: Please call the credit card customer service hotline 8008205555 (fixed telephone only) or 4008205555. The cardholder should directly enter the ID number and inquiry password, and then select "9" to enter the manual service. Customers without cards should choose # 3 to enter the manual service.