The knowledge accumulation of people who have gone to college is obviously different from that of those who have not. The people, things and knowledge that universities can contact are very rich. Their living habits will be different. After four years of college training, college students will change their living habits and better adapt to society; They have different values. After four years of ideological education at different levels, universities will have a deeper understanding of life and society, and some people will understand their own direction and work hard for it; Compared with people who have never been to college, college students accept and learn new things faster; There will be some essential changes in their personal cultivation and quality.