"Four Regression" is the basic principle of higher education reform and development. "Taking undergraduate education as the foundation" means to put undergraduate education in the core position of talent training, the basic position of education and teaching, and the forefront position of education development in the new era, while "four regression" means to return to common sense, duty, heart and dream, which is the basic follow-up of the fundamental mission of higher education, the basic follow-up of the reform and development of higher education, and the basic follow-up of colleges and universities to implement the fundamental task of educating people by morality.