Liying Yu is the Director of Tsinghua Law School Library and also a professor of the Law School. She is the President of the Law Libraries and Legal Information Research Society of Beijing Law Society (2015-). Liying Yu received her Master degree in law from Renmin University of China (1989). She also studied legal information management in both Hong Kong University Law School (1999) and New York University Law Library (2001).

Her publications include: Legal Research. 3rd edition, Peking University Press (2015) ；Textbook of Legal Research (co-editor).Tsinghua University Press (2008) ；Roaming the Virtual Law Library: A Guide to Online Sources for the Legal Researcher (co-editor).Law Press (2004) ；“Public Retrieval to the Judicial Decisions in PR China: from digital and Print Perspectives” (co-author). Law Science (2013)；“Practical Exploration of Literature Guarantee for Teaching in Special Library”. Library Tribune (2013).