Credit card unlimited card is the identity symbol of the cardholder, and it needs strong financial proof to apply to the bank. Nor can it be understood as an "unlimited" credit card. For example, China Merchants Bank's unlimited card, the initial amount is 50W RMB. When you feel that the limit is not enough, you can immediately call the bank to increase the limit, so it is called "unlimited". Moreover, the annual fee for "unlimited cards" is very high, generally more than 1,000 yuan.