Yang Defeng, graduated from the Department of Modern Chinese at Peking University Chinese Department in 1986, and stayed on as a teacher; in 1993, he obtained a master’s degree from Peking University’s Center for Teaching Chinese as a Second Language; in 2003, he received a Ph.D. from Beijing Language and Culture University’s Center for Teaching Chinese as a Second Language. , The doctoral dissertation is “Research on Cognition and Acquisition of Tendency Complement”.

He is currently a professor at the School of Teaching Chinese as a Second Language, Peking University, a postgraduate tutor, and a member of the China Association for Teaching Chinese as a Foreign Language and the World Association for Teaching Chinese as a Foreign Language. 1996-1998 and 2004-2006 were invited twice to teach at the Faculty of Letters of Okayama University, Japan.