Yi Nan is a Professor of Internal Medicine in Traditional Chinese Medicine and the Vice Director of the Key Laboratory of Ningxia Ethnomedicine Modernization, Ministry of Education, Ningxia Medical University. He was named the Qi Huang Young Scholar by the State Administration of Traditional Chinese Medicine. His research interests include the pathogenesis of kidney diseases (diabetic nephropathy, renal tumors) and gastric cancer and the prevention and treatment of these diseases with traditional Chinese medicine.