All major car rental companies need it, because the credit card is your credit certificate and the car rental company is not familiar with you. You can only confirm it through the authority of a third party. A high credit card limit at least means that you have used the credit card many times and can repay it in time. Moreover, the car rental company gave a car of more than 200,000 yuan, and you only gave a deposit of 1 10,000 yuan. What if I run away?