In people's cognition, the salary of professors in ordinary universities must be perfect, especially in Peking University. Peking University is a well-known key university in China, and its educational strength is self-evident, and its position in the world is few and far between. Every year, talents from all over the world flood into the campus. As a professor at Peking University, people believe that the salary level will be extremely high and enviable. Moreover, compared with primary school teachers, university professors are not only paid well, but also relaxed.