Teachers' professional titles are promoted regardless of subjects. Promotion according to working years and performance appraisal (basic requirements vary from place to place, such as one excellent or two good in current job evaluation in the past four years, papers and scientific research projects, etc. The higher the educational background, the shorter the time for the first promotion. For example, high school titles (middle and high titles, equivalent to associate professors) need to work continuously for 20 years, while undergraduate courses need 65438+.