The network library still has the original characteristics of the library, that is, "the habit of taking notes, all kinds of records, the place to collect books" and so on. However, the development of the library from the traditional sense to the network has promoted people's enjoyment of the excellent resources that human beings have created and are creating. Network library, with unlimited space expansion, will not be short of resources because of remoteness; Time is infinitely compressed, and the rich and the poor are not bound by the passage of time. At present, the most important existing group of online library is the library of the state, government or university, which has complete resources. And some book websites have similar titles. For example: Wen Yuan Pavilion, Library, etc. Because in ancient China, the library was called mansion, pavilion, library, stage, temple, courtyard, hall, den and building. The door of network library is open to all members of society, which realizes the process of acquiring literature resources and mastering lifelong learning skills.