Since the emergence of human society, words have appeared, and books, the carrier used to record these words, have also appeared. It records the development and evolution of human history since ancient times. One of the functions of the library is to collect, process, arrange and scientifically manage these precious literature resources for readers to borrow and use. The library is an institution that preserves the cultural wealth of all ethnic groups. It is responsible for preserving human cultural classics and is the oldest function of the library. It is based on literature and carries out commercial activities. However, in recent years, due to the realization of computer networking and the rapid development of science and technology, libraries not only save handwritten and printed documents, but also save other carrier resources in order to make better use of them. Second, the development of information resources The library has a large number of literature information resources. It is one of the important functions of the library to actively develop and widely use these literature resources, and it is also the basis for the library to undertake various functions. Due to the large number and rapid growth of social literature; The types of social documents are complex and diverse; The timeliness of the document is strong; The speed of literary communication has accelerated; The content of the document is repeated; The language used in literature is expanding and the quality is declining, which makes people generally feel that it is not easy to use. Through the processing, scientific analysis, synthesis and guidance of literature information resources, the library forms an orderly, regular and continuous information flow, and carries out more extensive communication and transmission, so that readers can make better use of it. The development of library literature resources includes the following contents: first, check, register, classify, catalogue and process the documents that arrive in the library, and finally distribute them to each lending room for scientific shelving and reasonable circulation; Secondly, the literature information resources outside the library are searched and filtered to become virtual collections, forming a wider and faster information channel; Thirdly, through the most modern means-computer network operation technology, the collection of documents will be digitized.