The digital Internet technology creates tremendous challenges to the library management. There is no reason for libraries to resist technology. However, basing on its social responsibility and function for public interest to preserve, distribute information and break monopoly of knowledge, library should exist forever and distinguish its role from that of database and search engine industries. There are several shortage and ambiguities in Copyright Law applying to the combination of digital Internet technology and library management. This Article tries to analysis the original purpose of the related provisions in Copyright Law and disputes of application. It further submits Copyright Law amendment for the purpose of raising public concern and discuss.