Abstract: "Three complete education" is the main discourse of promoting education reform in higher education with Chinese characteristics in the new era under the basic standard of moral education. Its background significance and era value are mainly reflected in the needs of developing moral education community in universities, the purpose of strengthening the basic task of "educating people" in universities, and the era significance of highlighting the standard of "cultivating people by moral education". The theoretical meaning of "three complete education" shows the education form of "education community" with the collaborative efforts of education resources, and its essence reveals the "educational" purpose of the university activities, and the ultimate goal is the overall development of students under the guidance of "education" goal. According to the reality of universities in China, there are mechanism problems in the construction of "educational community", internal integration problems between knowledge education and value system, and value objectives and practice carriers in the promotion of educational practice in the educational practice. It is necessary to study the laws of Educational Science in the perspective of "great educational outlook" and guide education reform with the target carriers of educational achievements.