Engaged in scientific research. Tongji University's top mathematics class is not to train qualified graduates for the society, but to train researchers for scientific research institutes. After graduation, I mainly engaged in scientific research. Do a good job in students' applied research, and they will have no worries about employment. Top math classes are organized separately, taught in small classes, and special training plans are made to provide first-class learning conditions, create first-class learning environment and atmosphere, teach students in accordance with their aptitude and carry out personalized training.