In order to safeguard the public interests of readers and maintain the good environment and order of the library, the following provisions are reiterated and reported to the school for the record after discussion and decision at the librarian office meeting:

1. Campus readers enter the library with valid library cards; Off-campus readers enter the library after going through the formalities according to the regulations.

2. Tsinghua alumni can enter the school library with the "Alumni Card" or graduation certificate (or photocopy) issued by the Alumni Association and their valid identity documents to read the book resources in the library.

3. Pay attention to fire safety, and smoking is prohibited anywhere in the museum.

4. Keep the museum clean and tidy, and it is forbidden to bring food and drinks into the reading area.

5. Keep the library quiet. When entering the library, put the hand-held phone in a mute state. Please keep quiet in the reading area.

6. Be polite, dress neatly, and don't wear sports vests and slippers to enter the museum.

7. Strengthen the awareness of public morality, and don't use articles to occupy reading seats.

8. Take care of books and periodicals and all public property. Please don't smear, tear or hide books and periodicals.

9. Consciously abide by the rules and regulations of the library and obey the management of the staff.

10. Those who violate the above provisions will be criticized and educated; If the circumstances are serious, report to the relevant departments of the school for handling.

From the first article, we can know that libraries in Tsinghua University are not allowed to enter and leave freely, and you need a library card, which is suitable for you.