Huimin Han is the leader of key disciplines in Daqing. Standing member of the Professional Committee of Infection and Injury Prevention and Control organized by the Chinese Preventive Medicine Association. The Chinese Preventive Medicine Association organizes the Professional Committee of Infection and Injury Prevention and Control, and the chairman of the Northeast Diabetes Foot Expert Committee. The Chinese Preventive Medicine Association organizes the Infection and Injury Prevention and Control Professional Committee and the Deputy Chairman of the Expert Committee on Pressure Ulcers. International Vascular Union, Vice Chairman of Chinese Diabetes Foot Society. Diabetes Foot Branch of China Association for the Promotion of International Healthcare Promotion, Deputy Chief of the Podiatrist Division. Chairman of Heilongjiang Branch of International Diabetes Federation Chinese Diabetes Foot Society. Member of the Stem Cell Committee of the Medical Engineering Branch of the Chinese Medical Association. Member of the Diabetes Foot Group of the Diabetes Branch of the Chinese Medical Association. Vice Chairman of Heilongjiang Diabetes Association. Heilongjiang Physician Metabolism Society, Endocrinology Society, Rheumatology Society.