Portrait of Cao Yuanheng
Cao Yuanheng (styled Cangzhou,1850-1924) was a native of Xuzhou.Jiangsu Province.He 1earned his family’s hereditary traditions of external and internal medicine.He was expert in internal medicine and especially in seas()nal epidemic diseases.He was appointed an Imperial doctor during the Guangxu era(1875-1 908).His disciples compiled the Medical Case Records of Cao Cangzhou.