700-65438+ RMB 2,000 before tax. According to relevant data of Nankai University, Professor Cai Ying of Nankai University earns an annual salary of 700-65438+ 200,000 yuan before tax. Nankai University, referred to as Nankai, is located in Tianjin. It is a national key university directly under the Ministry of Education of People's Republic of China (PRC) and a national "double-class" construction university.