Teachers' class refers to a kind of colleges and universities in general, not to some majors in particular. Specifically, all majors in normal universities in the past can be regarded as normal majors, including psychology, pedagogy and other majors that are not engaged in teacher work.

It is divided into teacher training colleges at all levels and other educational institutions (forms).

Teachers' training colleges at all levels are divided into provincial education colleges, prefectural (city) education colleges, county-level teacher training schools and primary school teacher training centers.

Other educational institutions (forms) are divided into training departments and correspondence departments of normal schools at all levels; Correspondence departments and teacher training courses in colleges and universities; Satellite TV Education and Self-taught Examination in RTVU.