Abstract : by means of extensive searching for hydrogeology information resources on internet and the subsequent analyses and classification , the newest development of hydrogeology information resourcs , mainly the relevant universities , academic institutes , electronic journals , virtual libraries , laboratories , and some important links are supplied to all hydrogeologists and the other professionals who have relationship with hydrogeology 文摘:通过广泛的网上资料搜集、分析和整理分类，为广大水文地质及相关行业工作者介绍了英特网上的水文地质信息资源，主要有与水文地质有关的大学、科研机构、电子期刊、虚拟图书馆、虚拟实验室和链接站点的最新获取途径。
This text discusses the definition , function of virtual library and traditional library , analyzes their advantage and the shortage , inquires into the relation of them , gets two coexistence in equal long time expect the conclusion that repair with each other , puts forward the future library business finally the counterplan of the development , and then establishment compound library 摘要本文论述了虚拟图书馆和传统图书馆的定义、功能，分析了各自的优势和不足，探讨了二者间的关系，得出了二者在相当长时期内共存互补的结论，最后提出了未来图书馆事业发展的对策，即建立复合图书馆。
