Bei Tang, the role of Onion College, is a teacher. Main figures of Onion College: Zhang Wuxian, Yang Lin and Bei Tang. Onion College (formerly Onion Mathematics) was founded by Yang, who graduated from Harvard University, Zhu Ruochen, who graduated from Duke University, and Li Nuo, a former innovation works dim sum OS technical executive, at the end of 20 13. It mainly focuses on Internet inclusive education in primary and secondary schools, and provides personalized education services for teachers and students with the innovative teaching mode of 100% human-computer interactive learning and the adaptive learning experience of high-quality video courses. From 2065438 to April 2009, Onion College completed the D round of financing of 300 million yuan with the participation of new and old shareholders such as Chunhua Capital, Kunlun Wan Wei, Fengrui Capital and Junlian Capital. So far, Onion College has accumulated more than 600 million yuan in financing.