Institutional Considerations about Library's Fair Use of Copyright under Network Environment

Being as a system for balancing the interests of the copyright owners and the copyright users,the fair use system has relevant regulations in many countries.However,under the network environment,the copyright owners'rights have got expanding along with the development of technology,the scope of fair use is getting smaller and smaller,some people even think that fair use system will disappear from copyright law.From the system value of the fair use and the system value of library,this paper analyzes the rationality of the existence of copyright's fair use system under network environment,and probes into the copyright's fair use system suitable for the library.