You can take a domestic bank card with UnionPay logo, and the daily withdrawal limit is the equivalent of 5000 rubles (different banks are slightly different, it is recommended that the bank card be bound with Alipay to facilitate withdrawal. When you arrive in Russia for the first time, you need to pay tuition and accommodation fees to the school, and you can take a certain amount of US dollars to the local bank to exchange them into rubles. The Russian customs allows you to carry no more than 10000 dollars in cash.