The largest encyclopedia in Chinese history was the Siku Quanshu. It was a large-scale comprehensive document covering politics, law, culture, history, philosophy, literature, art, and many other aspects. It was compiled in 1773 and contains 2983 kinds of books, a total of 7830 volumes, about 380 million words. It is the first large-scale comprehensive encyclopedia in Chinese history and one of the important treasures in the treasure house of ancient Chinese literature. After the compilation of the Siku Quanshu, it was widely used in the field of cultural education and became one of the important teaching materials of ancient Chinese education.