Subject teaching (mathematics) is a master's major, which tends to study students' psychology in subject teaching, so as to better achieve the purpose of subject education. Mathematics education, on the other hand, prefers practical teaching methods to psychology. The physical education department of Northeast Normal University, the predecessor of the Institute of Physical Education of Northeast Normal University, was the earliest established physical education department after the founding of New China. Since 1948, he has successively served as the general branch secretary and current dean of Wang Diguang, Yang Zhongxiu, Yang, Cui, Li Taimo, Wang Zhengou and Yang.