The establishment of library automation system has brought profound changes to library work: it greatly reduces the complicated and repetitive manual labor in traditional library work, improves the processing and retrieval speed of various documents, and makes the services provided by the library more efficient, convenient and flexible, reaching an unprecedented new level. It also greatly strengthens the statistical work of the library, and can provide all kinds of accurate and detailed statistical data in time, which is convenient for the decision-making and research of library work. The establishment and development of library automation network system is also helpful to carry out cooperative cataloging, establish joint catalogue, interlibrary loan, interlibrary procurement coordination and so on. , truly realize the sharing of resources, more convenient for readers. They also make the standardization and standardization of library work reach a new level. In a word, the appearance and development of library automation system is a leap in library work.