Generally speaking, there is a practical difference between going to college and not going to college. Going to college can enrich the horizon of life. The horizon of life determines the direction of action, and the direction of action determines the future life. University is like a small society. Studying in university can provide a good transition to society in the future. College students will learn professional knowledge and skills, which will lay the foundation for their future career. Generally speaking, in any country, the average income, living standard and happiness index of people who have gone to college are higher than those who have not.