Li Li, chief physician, famous nephrologist, director of Chinese medicine nephrology diagnosis and treatment center of Beijing Armed Police Corps Hospital. Born in a family of traditional Chinese medicine, he has been engaged in clinical, medical, teaching and scientific research for more than 20 years. At present, he is the director of Chinese Medicine Nephropathy Diagnosis and Treatment Center of Beijing Armed Police Corps Hospital, director of Chinese Medicine Society, director of Beijing Chinese Medicine Nephropathy Society, member of Chinese Medicine Nephropathy Professional Committee of Chinese Medicine Society, member of China-Japan International Nephropathy Uremia Research and Exchange Base, and invited expert of "Healthy China Chinese Medicine Tour to China" organized by the Ministry of Health on October 20-0.