Housing approximately 100,000 volumes, the library of HTUS provides materials and information to students taking courses at HTUS.

This theological collection is widely known in Korea and is distinguished as being ecumenically diverse.

The HTUS library which opened in 1965, has space for more than 100,000 volumes and 800 users(300 readers , 500 students for study). The HTUS library also offers substantial resources for theological study and research at all levels. In addition to the Circulation and Reference Departments, it houses the main reading room for acquisitions, cataloging, and serials, and meeting space for committees and outside groups.