Vice President Yu: Peking University educator principal, Beijing Normal University expert principal, Beijing Zhongguancun Middle School vice principal, Shanghai Jianping Middle School vice principal, senior English teacher.

The principal, in the Qin and Han Dynasties, was a junior officer, and later evolved into the head of school administration appointed by the national education administrative department or the administrative department of other educational institutions. In addition, many people are nicknamed "principals". At present, he is the person in charge of school administration appointed by the national education administrative department or the administrative department of other educational institutions. The headmaster comprehensively manages the school affairs, represents the school externally and presides over the school affairs internally.