Onion Academy (formerly Onion Math) was founded at the end of 2013 by Yang Linfeng, a graduate of Harvard University, Zhu Ruochen, a graduate of Duke University, and Li Nuo, a former Innovation Works "snack OS" technology executive, and focuses on the primary and secondary stages of the Internet inclusive education, to The company provides personalized education services to teachers and students through an innovative teaching model of 100% human-computer interactive learning and an adaptive learning experience with high-quality video course content.

Since its establishment in 2013, Onion Academy has developed into a well-known comprehensive solution provider of "Internet+" education in China, with four major product segments, namely digital resources, applications, integrated publishing and intelligent hardware, and two major service systems, namely school services and teacher training.

By the end of 2021, Onion Academy has more than 70 million students and 2 million teacher users in 210,000 primary and secondary schools in more than 2,800 districts and counties across China.

Unlike conventional online classes, Onion Academy has abandoned the use of real teachers since its inception, and has independently developed more than 5,000 creative animated video lessons over the past eight years, based on national curriculum standards and teaching materials. Each lesson lasts an average of 5-8 minutes and focuses on a single point of knowledge or thinking to help students gain a deeper understanding. There are also rich interactive exercises during and after the lessons to consolidate knowledge.

Onion Academy has launched an all-subjects curriculum in math, language, English, physics, chemistry, biology and geography, which comprehensively covers elementary to high school and middle school.

For schools, Onion Academy, in conjunction with the Teacher Development Center of Higher Education Publishing House, has launched an artificial intelligence classroom teaching solution, which includes information management tools for school principals, informatization training courses for teachers, classroom informatization teaching resources, and an intelligent learning platform for students. Onion Academy has also developed intelligent teaching aid products for teachers to assist school teachers in personalized classroom teaching and to get rid of experience-based teaching.