Onion member users can watch three main categories of member problem solving class videos, covering all the knowledge points of middle school math; key units and before the exam, there are also intensive live classes to help children review and sprint. Onion Academy is a favorite online education brand for students and teachers***, using cognitive science and intelligent technology to provide teachers and students with diversified intelligent education services such as online courses, intelligent exercises, problem analysis, and learning analysis. Focusing on research and development of elementary school, junior high school, high school, mathematics, physics, chemistry, language, English, biology and other teaching materials synchronous courses, lectures using relaxing, interesting animation video, combined with the teacher's funny, easy-to-understand way of explaining the 5-minute teaching of a knowledge point, with the post-course intelligent push to expand the exercises, to help students to better realize the intelligent learning experience!