World Digital Library(WDL),which is organized by the UNESCO and the Library of Congress and supported by libraries around the world,promotes the international cultural exchange and expands the function of the resource preservation and efficient services.

Information conference consultation of digital library of hospital;

Digital hospital and digital library;

Set up secure digital library by using IPSec/SSL VPN;

Construction of digital libraries and cooperation strategy of its social communities;

Digital libraries and traditional libraries: a comparison;

Legal factors in building of digitized library;

The paper discusses the basic concept,main characte ri stics and key technologies,construction of digitized library at home and abroad .

This paper expounds the concept and features of the digitized library and digitized reading room, advances the principles of constructing the digitized reading room, and introduces the general situation of the digitized reading room of the library of Taiyuan University of Technology.

The Analysis of wave type time series is a new method,which is used to simulate the data of the digital library book flow in a university library in the paper.

During the popularizing course of higher education in our country,the digital library provides us the lifelong studying environment,with its rich information contents and convenient service mode.