Based on the ethical thinking of the pre-Qin Dynasty, this book discusses the formation and development of traditional Chinese ethics, the refinement of the Confucian ethical normative system and the establishment of its orthodoxy, as well as the deepening and maturation of feudal ethics. The book is simple in style and clear in context. It contains not only the essence of traditional Chinese morality but also the achievements of modern civilization. It analyzes the implications of traditional Chinese ethics on the governance and moral construction of modern society and can be used as a reference for governance and revitalization of the country and moral development.