大学图书馆发展到数字图书馆经过了传统阶段、自动化阶段、网络化阶段和数字化阶段。本文分析了大学数字图书馆产生的背景和数字图书馆时代的观念变革。1　大学数字图书馆产生的背景1.1　服务对象更具社会化特征　　 2 0世纪末 ,由于入学人数下降 ,学校经费短缺 ,国外教育界开 The development of university library to digital library has gone through the traditional stage, the automation stage, the networking stage and the digital stage. This article analyzes the background of the university digital library and changes in the concept of the digital library era. 1 background of the university digital library 1.1 service targets more social characteristics 20 century, due to the decline in enrollment, school funding shortage, the foreign education community open