The books in the library are organized scientifically and placed on the shelves in an orderly way. Book classification and cataloging is the basic work of library scientific management. The catalogers of the library should register, classify and catalogue each book and attach the call number to each book. The books on the shelf are arranged in the order of call numbers. After the books in the library are processed by catalogers, a large number of books with various forms and wide knowledge categories are organized in an orderly and orderly manner. If readers understand and are familiar with the rules of book classification and shelving, it will greatly improve efficiency, whether through computer access or direct selection of books in the stacks.

China Library Classification