Professor Du's disciples are Du and Du from Dongcheng Chinese Medicine Hospital. Chief physician Du is a special expert in Dongcheng Hospital of Traditional Chinese Medicine. Visiting hours are Wednesday, Friday and Saturday. Graduated from Shaanxi University of Traditional Chinese Medicine, he was recognized by the Ministry of Health as the disciple of Professor Du, one of the first experts in difficult diseases of traditional Chinese medicine in China. Inheritor of academic school of Du Nephropathy in Shaanxi Province, engaged in clinical work of integrated traditional Chinese and western medicine for more than 40 years. Mao Jing, deputy chief physician, is a special expert in Dongcheng Hospital of Traditional Chinese Medicine. Visiting hours are Monday, Wednesday, Thursday, Sunday and Tuesday afternoon. Director of the Respiratory Diseases Professional Committee of the World Federation of Traditional Chinese Medicine, Director of the Pulmonary Diseases Branch of the Chinese Ethnic Medicine Association, the sixth batch of Beijing-level Chinese medicine experts, engaged in clinical work of Chinese medicine 15 years.