How to complain about the deduction of SMS fee by China Merchants Bank?

You can call the customer service hotline of China Merchants Bank for feedback.

China Merchants Bank card and SMS notification service will not be cancelled automatically, but it will always generate normal expenses. If the deduction of SMS notification service fee fails due to insufficient current balance, the personal credit record will not be affected temporarily.

After the bank card has no money, it will not stop the SMS service and will continue to deduct the fee. It will be added later that if you don't use it for more than 13 months, the SMS fee of 13 months will be deducted the next time you have money in your bank card.