1, Peking University: "Peking University" for short, located at No.05, Summer Palace Road, Haidian District, Beijing, is a national key university directly under the Ministry of Education of People's Republic of China (PRC) (PRC).

2. China University of Political Science and Law, located in Beijing, is a national key university directly under the Ministry of Education of People's Republic of China (PRC).

3. China Communication University: referred to as "Zhongchuan", located in Beijing, the capital, is an industry-specific university in the field of information communication directly under the Ministry of Education of People's Republic of China (PRC) (PRC).

Preparatory course is the basic course or bridge course of the university, and it is the preparatory education before the university. Preparatory courses include junior college preparatory courses and ethnic minority preparatory courses. College preparatory course is an important part of western education system, which belongs to the category of higher education in foreign education system; Minority preparatory class is a teaching class system that lays a good foundation for professional study in colleges and universities according to the characteristics of minority students.