What does Sikuquanshu mean?

Sikuquanshu is the largest series of books in ancient China. It was compiled in Qianlong period and was completed by first-class scholars Ji Xiaolan, Wang Niansun and Dai Zhen at that time. "Four Treasures of the Study" refers to classics, history, books and collections, and "Daquan" refers to all the collected books.

Classics-Classics can be divided into Yi, Shu, Poetry, Rites, Spring and Autumn, Filial Piety, Group Classics, Four Books, Music, Primary School, Stone Classics and Compilation, with Confucianism as the main one. There are thirteen Confucian classics: Zhouyi, Shangshu, Zhou Li, Book of Rites, Yili, Book of Songs, Chunqiu Zuozhuan, Chunqiu Gongyang Zhuan, Chunqiu Guliang Zhuan, The Analects of Confucius, Xiaojing, Erya and Mencius.

History Department-History Department is divided into official history, chronicle, chronicle, miscellaneous history, imperial edict, biography, historical records, chronicle, seasonality, geography and occupation.

Subdivision-Subdivision is divided into Confucianism, military strategists, legalists, farmers, doctors, astronomical algorithms, astrology, art, music records, sage, books, series and so on. Important bibliographies include Laozi, Mozi, Zhuangzi, Xunzi, Han Feizi, Guan Zi, Yin Wenzi, Shen Zi, Gong Sunzilong, Huai Nanzi, Bao Puzi, Liezi, Sun Zi and Gong Sunzilong.

Collections-Collections are divided into Chu Ci, Bie Ji, Zong Ji, Ci Qu and Boudoir. Important bibliographies include Songs of the South, Poems of the Whole Tang Dynasty, Poems of Quan Song, Poems of Yuefu, Songs of the South, Selected Works and Li Taibai.