Li Hui is mainly engaged in relative research and teaching work in demography, population sociology, and population, resources and environmental economics.
He was a visiting scholar at the State University of New York from December 2008 to December 2009.
He has published two academic treatises and several academic papers. He led a Youth Project for the National Social Science Fund, and has undertaken several scientific and research projects at the provincial and municipal level. He has participated in a range of scientific research projects from the Ministry of Education, the National Social Science Fund and the National Health and Family Planning Commission of China.