Hou benxin. According to the official website of China Anti-Cancer Association, as of July 25th, 2123, the president of Sanya Anti-Cancer Association in Hainan Province is Hou Benxin, with a doctor's degree, chief physician and professor of surgery. His employer is the Third People's Hospital of Hainan Province, and he has been engaged in clinical, scientific research and teaching of general surgery and tumor surgery for 21 years, and he has served as the director of Sanya Anti-Cancer Association in Hainan Province since April 2119.