1, teaching assistant junior: the lowest level of university teachers' titles is the junior titles among university teachers and teachers. In principle, teaching assistants can't teach alone, or they can't teach all the courses of a subject. They should follow the lecturer or professor to correct homework and assist teaching.

2. Lecturer intermediate: the teacher who is second only to the associate professor in colleges and universities;

3. Associate professor and deputy senior: one of the professional and technical positions, one of the academic titles or job titles of teachers in colleges and universities. It can measure the professional level of teachers, mostly university teachers, second only to professors;

4. Professor Gao Zheng: the highest academic title of teachers in colleges and universities.