Students in preparatory classes of Sichuan International Studies University, Chongqing University, Sun Yat-sen University, University of Electronic Science and Technology of China, Huazhong Normal University, Xi Jiaotong University, Shanghai Jiaotong University, Zhejiang University, Central University of Finance and Economics, Beijing Foreign Studies University, Peking University and other universities mainly choose candidates who took the general college entrance examination that year and met the requirements of preparatory classes from the national designated ordinary universities and ethnic colleges. After reducing a certain score, you can select according to your own wishes.

Preparatory class, which originated in the western countries in the second half of the18th century, refers to the special level of higher education. Belonging to the pre-university education, senior three graduates are generally required to study about 1 year to adapt to the university's learning style.

Before liberation, China set up a one-year preparatory course in some schools, which was gradually abolished. After the founding of New China, some preparatory classes for ethnic minorities were set up in the Institute for Nationalities, and a considerable number of preparatory classes for ethnic minorities were also set up in other universities, secondary specialized schools and adult colleges. 1996 There are 140 colleges and universities in China offering ethnic preparatory courses with students 1 1622. Preparatory education has played a great role in improving the basic cultural knowledge of minority students and enabling more minority students to enter higher and secondary specialized schools. It has become a unique form of running a school with minority students as the mainstay and an important part of ethnic education.