Both undergraduate education and postgraduate education belong to the category of higher education. Undergraduate education attaches importance to the combination of general education and professional education. Undergraduate education is a period of laying a solid professional foundation and attaching importance to general education and comprehensive professional teaching. Postgraduate education, including master's degree and doctor's degree, pays more attention to professional education in the field of professional technology, pays more attention to professional improvement, trains specialized talents, and pays attention to key research in a certain aspect, side or level of the discipline.