. That is, three levels and four levels: (three levels: preparatory university-junior college; College-undergraduate; Universities-the fourth level of postgraduate higher education: junior college students, undergraduates, master students and doctoral students). 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. 3. At present, 89% of the talent market in China is junior college education (junior college is dominant), and the education level of Chinese people is generally low. Including: ordinary institutions of higher learning (including scientific research institutions undertaking postgraduate education), junior colleges, vocational and technical colleges, and all kinds of students who have graduated. That is, students at or above the junior college level in higher education, including junior college students. Colleges and universities are divided into ordinary colleges and universities (full-time colleges and universities) and adult colleges and universities (part-time study). At present, ordinary higher education is given priority to, supplemented by adult higher education.