At present, the universities with relatively strong teachers are mainly Huazhong Normal University, Beijing Normal University, East China Normal University and South China Normal University.
If there are less than one book, there are also corresponding normal colleges, such as Huanggang Normal College.
When applying for the college entrance examination, if you are willing to be a teacher, it is recommended to apply for normal students.
As for how to be a math teacher.
Generally speaking, as long as you choose a major related to mathematics, you can be competent.
After entering the university, get the teacher qualification certificate, and then you can become a math teacher.