The maximum credit card limit of Minsheng Bank generally does not exceed 10% of the original credit limit. Cardholders can call the 24-hour customer service hotline 4006695568 to apply for opening the over-limit consumption function, or edit the "last four digits of KC card number" reserved by the bank and send it to 106902895568 for opening. After the over-limit function is enabled, the cardholder will charge an over-limit handling fee of 3% of the over-limit consumption amount, starting from 10 yuan.