Liu Zuolin, born in April 1965, graduated from the Department of Clinical Medicine of North Sichuan Medical College in 1987. Currently, he is the president, general manager, legal person, director, deputy secretary of the Party branch, deputy chief physician, and associate professor of North Sichuan Medical College of Chengdu Aircraft Industry (Group) Co., Ltd. Hospital. He is the deputy director of the Southwest Branch of the Chinese Aeronautical Medical Association; a member of the Digestion Special Committee of the Sichuan Medical Association; a member of the Sichuan Hospital Management Society; a member of the Digestion Special Committee of the Chengdu Medical Association; vice chairman of the Chengdu Industrial and Mining Hospital Management Committee; China Airlines Editorial board member of the journal Aerospace Medicine; editorial board member of the journal "Western Medicine". In 2005, he won the Urban Hospital Management Excellence Award. In 2008, he was awarded the Advanced Individual of China Airlines for Earthquake Disaster Relief and the Passionate Person of AVIC Chengdu Aircraft Company. The management results of the "Performance Management of All Employees of Chengdu Aircraft Hospital" created by him were rated as the 2008 Chengdu Aircraft Company. The company won the second prize for management innovation achievements. In 2009, he was awarded the second prize for Sichuan Enterprise Management Modernization Innovation Achievements. In 2010, he was rated as the outstanding "Four Good" leading cadres of China Aviation Industry Corporation of China. Published many papers in national journals. "Research on Endoscopic Radiofrequency Current Treatment of Gastrointestinal Diseases" won the first prize of Science and Technology Progress Award of Chengdu Aircraft Corporation, the third prize of Science and Technology Progress Award of Aviation Industry Corporation of China, "Expanding Autologous Expandable Stents" "Research on the Treatment of Esophageal Stricture" won the second prize of Chengdu Aircraft Company's Scientific and Technological Achievement Award.