图书馆作为重要信息贮存地与用户需求的中介,在信息化时代应扮演一个什么样的角色,如何解决信息超载或匮乏与用户利用之间的矛盾,怎样才能建立有效的信息过滤机制和导航体系,本文以用户需求是信息加工与服务的导向为理念,对图书馆信息系统现状与对策、信息加工范围、方法进行了探讨。 How to solve the contradiction between information overloading or lacking and users ’utilization, how to set up an effective information filtering mechanism and navigation system as an intermediary of storage of important information and users’ needs in information age In this paper, the user needs is the guidance of information processing and service as the concept of the status quo and countermeasures of library information systems, information processing scope, methods were discussed.