College students are a special group in society. They have received higher education, but they have not yet fully entered the society. As the frontier group of new technologies and new ideas in society and senior professionals trained by the state, they represent the most advanced pop culture. College students represent young people and energetic people, and are the pillars to promote social progress. College students, that is, groups registered in universities and receiving education, include full-time and on-the-job part-time study. College students include junior college students, undergraduates and graduate students (master students and doctoral students). There are two grades and three grades: (Grade two: advanced university-undergraduate; Universities-postgraduate higher education: undergraduate, master, doctor). No matter what kind of study. In the strict sense of international practice, the level of "bachelor, master and doctor" is the most important hierarchical form for college students. At present, 89% of China's talent market has a college education or above (headed by a college).