Liu Lixin, female, associate professor of Peking University Institute of Teaching Chinese as a Foreign Language. Member of the World Chinese Teaching Society. 1987 graduated from the Chinese Department of Peking University with a bachelor's degree, and 1990 graduated from the Chinese Department of Beijing Normal University with a master's degree in literature. 1990 has been teaching at the School of Chinese as a Foreign Language of Peking University since July. He has visited and taught in the East Asian Language and Literature Department of the University of Hawaii, the Chinese Department of the National Ghent University of Belgium and the Chinese Department of Oxford University.