Yang Chao speaks mathematics very well and is highly praised by the students. His teaching methods are vivid, paying attention to students' individualized development and stimulating students' interest in learning. He turned abstract concepts into vivid examples, which made it easier for students to understand and master. In the basic stage, he will cover all the knowledge points and explain them very comprehensively. In the intensive stage, his 139 high-scoring question bank has complete questions, which is closely related to the requirements of the final exam of postgraduate mathematics. In a word, Yang Chao is a respected and excellent math teacher.