Card number cannot be registered online;
You can only bring your ID card to the office of the National Library;
There are three types of cards: free deposit (not available for lending), 100 yuan deposit (available for lending to the library) and 1000 yuan deposit (available for lending to the base warehouse).
It is suggested that it is free. Except that you can't borrow books, other functions are the same, and you can surf the Internet for one hour every day.