Li Guangxi has been engaged in clinical scientific research and teaching for more than 20 years. His main research interests are translational medicine for respiratory diseases; The mechanism and preventive measures of acute lung injury, especially the lung injury caused by PM2.5; Health management and collection and mining of clinical data. Due to his outstanding performance during the SARS period, he was awarded the honorary titles of "advanced individual in Beijing's fight against SARS" and "outstanding youth of the National Working Committee" in 2003 and 2004 respectively. In more than 20 years of domestic work and nearly 10 years of foreign work, he has accumulated profound clinical experience and scientific research foundation of traditional Chinese medicine and Western medicine. As a major researcher, he has successively participated in the research work of major projects such as the national key basic project 973 Plan and the eleventh five year science and technology support plan. In recent 5 years, he has published more than 40 papers in American core journals, including American Journal of respiratory and critical care medicine, critical care medicine, chest and other authoritative journals of American Respiratory and critical care disciplines; He also published an article in annals of Biomedical Engineering and AAAI.