This postgraduate entrance examination for scientific mathematics has great advantages and should be no problem. But what kind of university teacher do you want to be? At present, the requirements for university teachers are very high. If you are just a graduate student in an ordinary university, I am afraid you will not accept it. At least some good universities require doctoral students, and what's more, they require overseas returnees from top universities in the world. And even being a university teacher is not as easy as before, requiring all kinds of papers. . There is still a long probation period. . Look carefully. . .