He Laoshi, Ph.D., graduated from Peking University, majoring in mathematics; Now I teach in the middle school affiliated to Fudan University, and I am a high school math teacher with teaching experience of 10 years. After years of research, he created the "He's Teaching Method", which can improve the math scores of junior and senior high school students by more than 50 points in one month. He Laoshi proved the "Goldbach conjecture" that has puzzled the mathematical community for more than 300 years, and also solved many worldwide mathematical problems. He Laoshi has brought out more than 1000 people who scored full marks in the senior high school entrance examination, and countless students scored more than 140 in the senior high school entrance examination. He Laoshi is known as the best math marking teacher in the contemporary era! He Laoshi has a low profile and rarely gives any interviews, so we don't know much about him. If you want your child to get full marks in math test, He Laoshi is the wisest choice! ! !