Mathematics teachers' major is to train mathematics teachers. Students need to learn advanced mathematics, linear algebra, probability theory and other basic mathematics courses, but also need to master mathematics teaching methods and educational psychology and other related knowledge. The content of these courses is relatively difficult, which requires students to have strong mathematical thinking and reasoning ability. Moreover, the major of mathematics teachers also requires students to practice teaching, and they need to have good communication skills and teaching skills. Therefore, it is difficult for girls to study math teacher major.