The Great Learning is a prose that discusses Confucianism's self-cultivation of the country's thoughts. It was originally the 42nd article of Xiao Dai Liji. It was said that it was made by Zeng Zi. It is actually a Confucian work in the Qin and Han Dynasties. It is an ancient Chinese discussion education theory. It mainly summarizes the pre-Qin Confucian moral cultivation theory, as well as the basic principles and methods of moral cultivation. It also systematically discusses Confucian political philosophy and has profound enlightenment on being a person, doing things, and managing the country. After the Northern Song Dynasty, Cheng Hao and Cheng Hao tried to respect it. In the Southern Song Dynasty, Zhu Xi made another The Great Learning, and eventually and The Doctrine of the Mean, The Analects and Mencius were also called "Four Books." After the Song and Yuan dynasties, The Great Learning became a must-read for the school's official textbooks and imperial examinations, which had a great impact on ancient Chinese education.