There is indeed a single consumption limit for credit card spending, not a question of how many credit lines can be used at a time. According to the regulations of the central bank, the consumption of credit cards cannot exceed 20,000 yuan, and if it is a platinum card, it cannot exceed 50,000 yuan.

In addition to the credit card offline consumption limit, there is also a limit for online shopping with credit cards. Generally, the credit card online shopping consumption limit is lower than the offline consumption limit.