Less cadres plan to study for 3 years, and the experimental graduation thesis 1 year, * * * 4 years. The master program for ethnic minorities is a four-year program, and the backbone project for ethnic minorities is one year more basic training than the general graduate students, that is, one year for preparatory courses and three years for graduate students. Moreover, although the scores of minority backbone students are low, they are easier to test. This is mainly to cultivate ethnic minorities.