The Book of Rites is an important work to study the social situation, laws and regulations and Confucianism in ancient China. The ideas it expounds include society, politics, ethics, philosophy, religion and other aspects, among which "University", "The Doctrine of the Mean" and "Li Yun" contain rich philosophical thoughts. The Book of Rites compiled by Dai Sheng in the Western Han Dynasty is a book about etiquette before the Qin and Han Dynasties, with a total of 49 articles. One of the thirteen classics. It is a social change after the Warring States and the Western Han Dynasty, including the inheritance and change of social system, etiquette system and people's ideas. It is one of the classic works of Confucianism. Forty-nine articles are divided into system, general theory, yin and yang of scenic spots, mourning, the method of prince, sacrifice, music notes, auspicious events and so on. Its ideas include social, political, ethical, philosophical and religious aspects, among which "University", "The Doctrine of the Mean" and "Li Yun" contain rich philosophical thoughts. At the end of the Eastern Han Dynasty, Zheng Xuan, a famous scholar, made an excellent interpretation of Dai Xiao's Book of Rites. Later, this book became popular and gradually became a classic by explaining the scriptures. "In the Tang Dynasty, there were The Book of Rites, The Book of Rites and The Book of Rites. In the Spring and Autumn Period, there were Zuo Zhuan, Ram and Hub Liang, plus The Analects of Confucius, Erya and Xiaojing, which were the Twelve Classics. In the Song and Ming Dynasties, Mencius was added, so it was finalized as Thirteen Classics, which is a must-read book for scholars.