Dr. Li Yayu is the chief TCM physician in nephrology department, master tutor, and the seventh batch of municipal TCM in Hangzhou. Deputy Secretary general of Nephropathy Branch of Chinese Society of Ethnic Medicine; Reserve academic leader of Hangzhou Medical Key Discipline (Nephrology); Member of Chinese Medicine rheumatology Branch and Immunology Branch; Standing Member of the World Federation of Chinese Medicine Rheumatology Branch; Standing Member, Rheumatology and Immunology Expert Committee, Zhejiang Branch, Cross-strait Medical and Health Exchange Association; Standing member of Rheumatism Branch of Zhejiang Association of Traditional Chinese Medicine and Integrated Chinese and Western Medicine; Member of Rheumatism Branch of Zhejiang Medical Association; Vice Chairman of Rheumatology Branch of Hangzhou Medical Association; Hangzhou famous Chinese medicine heir; Engaged in clinical and scientific research work for more than 20 years, professional direction for integrated traditional Chinese and Western medicine prevention and treatment of kidney disease and rheumatic immune diseases. He has presided over a number of national Natural Science Foundation of China, provincial Natural Science Foundation of China and bureau-level projects, and published more than 30 papers in domestic core journals.