现代图书馆的文献收藏、文化传播、社会教育和信息服务等功能的发挥,取决于知识信息开发与组织的进展。图书馆信息管理在用户信息需求变革的促动下,以现代信息管理技术的全面应用为基础,正在发生深刻的变化。从社会需求和图书馆发展上看,网络环境下的传统图书馆和数字图书馆,由于有着不同的需求,将长期共存,互相补充和交互发展。数字图书馆作为其重要组成部分,利用电教媒体技术对传统教学中的图像、文字和声音进行压 Modern library literature collection, cultural communication, social education and information services and other functions, depends on the development of knowledge and information and organizational progress. Library information management is under the impetus of the change of user information needs and is undergoing profound changes based on the full application of modern information management technology. From the perspective of social needs and library development, traditional libraries and digital libraries under the network environment will coexist, complement and interact with each other for a long time due to their different needs. Digital Library as an important part of the use of audio-visual media technology to traditional images of teaching, text and voice pressure