Credit card comprehensive credit limit: means that the same bank only approves one credit overdraft limit for all credit cards held by the same cardholder, that is, no matter how many credit cards the cardholder has from the bank , the total amount that can actually be overdrafted is certain.

For example, if someone *** holds four different types of ICBC credit cards A, B, C, and D with a comprehensive credit limit of RMB 20,000, then these four credit cards are *** Using the same credit limit of 20,000 yuan, when the cardholder uses card A to spend 5,000 yuan, cards B, C and D can only overdraw the remaining 15,000 yuan.