There are many men in high school math teachers. In 2020, he participated in the teacher qualification interview organized by the Municipal Education Bureau and served as an interviewer. At that time, it was found that most of the junior and senior high school students who participated in the interview had more girls than boys. Only high school math and high school physics have more boys than girls. This is in line with gender characteristics. Boys tend to think rationally, have strong logical thinking ability, and are better at math and physics in high school. Women prefer perceptual thinking and Chinglish.