There are Inner Mongolia Normal University, Inner Mongolia University of Technology and Guizhou Normal University. Class B postgraduate candidates refer to candidates from economically underdeveloped areas, including Inner Mongolia Normal University, Inner Mongolia University of Technology, Guizhou Normal University, Guizhou University, Ningxia University, Shihezi University, Tibet University and Northwest Normal University. The economy of the area where B-type candidates are located is relatively underdeveloped, and their annual scores are also low, which is 2- 10 lower than that of A-type candidates. After the initial examination of postgraduate entrance examination, the Ministry of Education, according to the postgraduate training objectives, combined with the annual enrollment plan, the situation of students and the overall results of the initial examination, determines the basic requirements for candidates who apply for the unified examination, MBA and master of laws to enter the second examination, including the requirements for the total score of examination subjects and the requirements for individual subjects, and becomes the national line of postgraduate entrance examination.