The English translation of China Library Classification and China Library Classification is China Library Classification, and the English abbreviation is CLC. China Library Classification is a classification widely used by library and information departments in China at present, and it is a representative large-scale comprehensive classification compiled and published after the founding of the People's Republic of China. Since the fourth edition 1999, it has been renamed "China Library Classification", and the abbreviation remains unchanged. The English translation is China Library Classification, and the English abbreviation is CLC.