President of the Linguistic Society of China, Expert Consultant on Legislative Language Standardization for the Legislative Affairs Commission of the Standing Committee of the National People's Congress, and Member of the Eighth Discipline Review Group of the Academic Degrees Committee of the State Council. Editorial board member of Chinese Social Sciences, Journal of the University of the Chinese Academy of Social Sciences, Linguistic Sciences, Chinese Language Learning, as well as Modern Chinese Language Research (Japan) and Chinese Language and Discourse (Netherlands).