You can't bring it in. You can't read books on the third and second floors without a library card or a library card. After processing, you can't take your carry-on bag, let alone books. Get a certificate. Please put your things on the first floor. With a reading card, you can only read on the third floor, but you can't get in on the second floor. Books on the third floor can't be lent to the library, so you can only find a place to read them on the third floor. Adult deposit 100, you can enter the third floor and the second floor, and the books on the second floor can be lent out of the library, with a maximum of 4 books at a time, which can be renewed in January 10 day. After the deadline, it seems that you will be fined or something.