Compared with Tieyi No.1 Middle School, the math teachers in Qujiang No.1 Middle School in Xi City have more problems. The teachers in Qujiang No.1 Middle School in Xi City are richer than those in Tieyi Middle School. All teachers have bachelor degree or above, and 60% have postgraduate degree. Teachers in Tieyi No.1 Middle School have less bachelor's degrees than those in Anjiajiang No.1 Middle School, so it is difficult for math teachers in Anjiajiang No.1 Middle School to give questions.