The classification number of Chinese Library Classification gives a set of codes to file entities in the form of types, which is used to fix and reflect the arrangement order of files. The main purpose of this is to realize the scientific classification and orderly management of archives.
By assigning a unique code to each file, files can be found quickly and accurately in the process of storage, retrieval and use, and the efficiency and accuracy of file management can be improved. This classification method is also helpful to reveal the internal relations and laws between archives and provide convenience for the follow-up utilization and research of archives. Therefore, the classification number of Chinese Library Classification is an indispensable part of archives management, which is of great significance to the scientific management and utilization of archives.