The whole set of books is divided into four parts: classics, history, books and collections, with a total of 44 categories. It also includes The Analects of Confucius, Daxue, Mencius, The Doctrine of the Mean, Zhouyi, Zhou Li, Book of Rites, Book of Songs, Filial Piety, Shangshu, Chunqiu, Historical Records, Er Ya Zhu Shu and Shuowen Jiezi.
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Compilation of Sikuquanshu
In the thirty-eighth year of Qianlong reign (1773), the imperial court set up the "Sikuquanshu Museum" to compile the Sikuquanshu, with YanYong, the sixth son of Qianlong, as the curator, Yu Minzhong of princess royal as the president, a university student, six ministers and assistant ministers as the vice presidents, and Ji Yun, a famous scholar, as the editor-in-chief, and began to compile this voluminous book. Scholars such as Lu, Sun Shiyi, Dai Zhen, Zhou Yongnian and Shao also participated in the compilation. More than 3,600 scholars and scholars participated in the compilation and officially listed, and there were 3,800 copywriters.
Sikuquanshu contains the circulating books collected all over the country at that time, the books collected by the Qing court and the rare books compiled by Yongle Dadian. According to statistics, the number of books alone is 1350 1. After screening, these books are collected according to "Bibliography" and "Bibliography", in which "Bibliography" does not record the whole book, but only extracts some contents, while "Bibliography" is copied and preserved in a specific format after finishing, collating and textual research, and it will be collated repeatedly with the original text after copying. Finally, it is 346 1 book.
In order to be beautiful and easy to identify, Sikuquanshu is decorated with color separation, with green longitude, red history, white (or light blue) division and gray-black collection. The determination of four colors depends on four seasons: spring, summer, autumn and winter. Because the catalogue of Sikuquanshu is the outline of the whole book, the yellow color representing the center is adopted.
In the forty-ninth year of Qianlong (1784), four sets of books were completed one after another, with seven volumes, which were stored in Wenyuan Pavilion in the Forbidden City in Beijing, Wenyuan Pavilion in Yuanmingyuan in the suburbs of Beijing, Wenshui Pavilion in Fengtian Palace (now Shenyang) and Jinwen Pavilion in chengde mountain resort, collectively known as the "Fourth Palace of the Forbidden City" (or "North Fourth Pavilion"). Wenzong Pavilion was built in Jinshan Temple, Zhenjiang, Wenhui Pavilion was built in Daguan Hall, Yangzhou, and Wen Lan Pavilion was built in Shengyin Temple, Gushan, West Lake Palace, Hangzhou, namely "Jiangsu and Zhejiang Sange" (or "Nansangge"), each with one copy. A copy is kept in the Royal College of Art in Shi Jing. Its far Chinese library was completed the earliest, with more refined collation and more neat fonts.
In the fifty-second year of Qianlong (1787), Emperor Qianlong found that some books contained slanderous articles in Sikuquanshu, so he ordered a re-examination of Sikuquanshu, and finally deleted the similarities and differences records of 1 1 historical books. However, although this 1 1 book was deleted from Sikuquanshu, it still exists in the palace and has not been destroyed. Nine of this 1 1 book are still in circulation.
In the eighth year of Jiaqing (1803), Ji Yun presided over the last part of the official book of Sikuquanshu, which was further improved.