Giant Xue Jing 1 is located in more than 20 teaching points all over the city, and has gathered many famous teachers to build a professional teaching and research team, with more than 200 full-time teachers, of whom 18% graduated from famous universities such as Tsinghua University, Peking University and Beijing Normal University, and more than 70% graduated from key universities such as 21kloc-0/. Teacher Zhang, a famous special-grade teacher and senior coach of China Mathematical Olympics, was hired as a front-line teacher. All the members were composed of young and middle-aged backbone teachers who won the first prize in national, municipal and district evaluation.