With the rapid growth of the scale and amount of university library collection,new challenges must be faced with library management.But the trditonal library management only act as the role of inactive server,much information was simply stored,and did not get analysis and utilization in depth.It is an urgent need to solve the new project that how to make an application of data mining,so as to offer more humanized,intelligent service to teachers and students.In this paper some theory of data mining technolog...