1. Call China Merchants Bank's credit card customer service telephone number 400-820-5555, and apply for a temporary line through manual customer service.
2. Cardholders bring their ID cards and credit cards to the business outlets of China Merchants Bank, and apply for temporary quotas through the bank counters.
3. Log in to the China Merchants Bank Pocket Life APP, select "My"-"Line Credit", click "Adjust Temporary Line" in "Temporary Line", enter the page, select the line to be adjusted and the effective date, and submit.