Mr. Xia, a physics teacher in Jerry, Xia Xinghua, often starts from the most basic theories and facts to guide and explain thinking, so that students can acquire ideas and methods to solve problems while mastering knowledge points efficiently. In the teaching process, we attach great importance to inspiration and guidance, and are good at teaching according to students' learning situation and existing knowledge level. We also attach great importance to the exercise of students' mathematical thinking and cultivate students' problem-solving ideas, study habits and thinking habits. "Reasonable, targeted, rigorous and open-minded" is the requirement of teacher Xia for students, which runs through the whole teaching.