In terms of educational thought, the United States bravely broke the European tradition, first implementing the "three-level school-running" system and realizing universal education before Europe; In terms of personnel training objectives, school education is closely linked with the reality of national construction and modern middle schools are established. The combination of further education and employment not only improves the modern academic system. And realized the single-track system. It is a pioneering work in the history of world middle school education; Establish a system of higher education serving economic development through legislation. The appearance of "Wisconsin Thought". Make the university move from the square ivory tower to the center of society, and improve the functions of teaching, scientific research and service.