Professorship plays an important role in the higher education system. This paper will deeply discuss the classification, responsibilities and historical origins of the professorship, so as to help readers better understand this title.

Seven-level division of labor

Professors are divided into seven grades, of which full professors occupy the first four grades and associate professors occupy the last three grades. Intermediate posts are divided into three levels, namely, eight to ten levels; Junior posts are also divided into three grades, from 1 1 to 13.

Professors' duties

Professors are senior teachers and researchers in universities or community colleges and need to undertake teaching tasks. Compared with researchers, professors have a wider range of responsibilities.

The historical origin of professors

The word "professor" originated from China's ancient "preaching and teaching to dispel doubts", which means imparting knowledge and cultivating the next generation. This position already existed in universities in China during the Han and Tang Dynasties. In Japanese, "professor" is also used to address teachers in universities.