General
Tsinghua University Library's collection is emphasized on Science and Technology and also covers broad subjects of Humanities, Social Sciences and Management. The total collection amounts to more than 3.5 million items, including:

Printed Collections
300,000 thread-bound ancient books;
More than 4,000 current serials and 400,000 bound periodicals;
More than 30,000 Tsinghua University dissertations and theses;
More than 70,000 microforms
Other books.

Electronic Resources
Near  42,000 full-text e-journals;
Over 350 electronic databases;
More than 920,000 e-books;
More than 35,000 multimedia collections;
 (Note: not including on-line databases and internet resources )

Special Collections
The special collections of the Library  contains: 
300,000 thread-bound ancient books.
Antiques and rubbings from inscriptions on ancient bronzes and stone tablets.
Abundant electronic resources including several important web database mirror sites. 
Digital Library Project.
Nearly 3,000 monographs or textbooks, including some special manuscripts and videotapes, which are donated by faculty members, staffs, alumni and others who have been in Tsinghua University. 
Newspapers and magazines edited by the University, such as Bulletin of Alumni, Xin Tsinghua and the General View of Tsinghua University. 
Dissertations and theses, final reports of post-doctorate, philosophical essays of doctoral student, and abstracts of dissertation.