The three cardinal guides and eight disciplines is the abbreviation of "three cardinal guides and eight disciplines" in "University". Among them, the three principles are to be moral, to be close to the people and to stop at perfection; The eight goals are respect for things, knowledge, honesty, integrity, self-cultivation, keeping the family in order, governing the country and leveling the world. "Clearly showing virtue" is to carry forward the inherent bright morality of human beings, "being close to the people" is to make people abandon the old and establish the new, and "stopping at the best" is the best realm to achieve Confucian feudal ethics. The central link of "Eight Items" is self-cultivation, which is the external way, honesty is the internal premise, and housekeeping, governing the country and leveling the world are the higher-level self-realization of self-cultivation.