The enrollment ratio of senior high school math teachers in Nanjing is more than 10. According to relevant data, there are 10- 100 math teachers in senior high schools in Nanjing, and only 10-50 students have been successfully enrolled, with an enrollment ratio of 10-40. There are not many math teachers in Nanjing high school, and the number of applicants is more than the number of students admitted. The competition is very fierce. This shows that the teaching profession is still very popular.