本文立足於網絡環境，導入信息資源管理思維，重新界定了圖書館的內涵，論析 了圖書館學的研究對象，確立了圖書學的學科體系，梳理了圖書館學的相關學科。

　　　　　Basing on networking environment and introducing the idea of Information Resource Management (IRM) , this paper defines again the contents of library, discusses the research object of library secience, establishes the system of library science, and arranges the relative discplines of library science.