Abstract: The information resource construction is an important and indispensable part of the subject construction in uni- versities.Based on the need of subject construction, university libraries should construct subject information rc- source security system for serving subject construction. This paper expounds the role of subject information re- source security system in the subject construction, and brings forward construction strategies of subject infor- mation resource security system in university libraries.

Key words: universtiy library; subject information resource; information resource security system