Abstract: School of Education，Shaanxi Normal University, Xi’an 710062, China） Abstract: Knowledge ethics is the pursuit of values and moral ideals in the process of knowledge generation and its application. Besides, knowledge ethics provides the foundation and logic of the process. Social morality and individual morality have various levels in specific societies and eras. However, it has long been the common pursuit of human moral ideal and knowledge ethics to pursue the core value as the single orientation, comprehensively promote rational basic good and material good as the bottom line. Knowledge ethics has its own logic and structures, some determined by moral ideals and norms of a nation, some by scientific and cultural knowledge structures and others by the eras and nationality of knowledge.

Key words: knowledge ethics, the ultimate pursuit, logic, structure