"Suba e Xue Tong" is a real-life video teaching method adopted by super teachers in many key schools in China. Suba e Xue Tong is an online training school based on the latest syllabus and examination syllabus every year. Primary schools, junior high schools and senior high schools have corresponding training materials and courses, including piano and guzheng, as well as related training courses. Suba and Xue Tong are formal companies. Pyramid Education Suba e Xue Tong was established in 2009, which is a research institution dedicated to K 12 education. For teenagers and junior high school students, the course covers primary schools.