* * Professor Liu Jinsan does exist * *. An expert of Fujian Anti-cancer Association, he has won the title of doctor in Greater China, vice chairman of the presidium of China Scientists Forum, director of the Cardiovascular and Cerebrovascular Health Management Office of China Academy of Management Sciences and many other honors and awards. He is the cover figure of the national magazine Discovery, and also a member of China Anti-Cancer Association, focusing on traditional cancer medicine, tumor biotherapy, anti-cancer drugs, tumor rehabilitation and palliative treatment, and tumor etiology. Therefore, it can be considered that Professor Liu Jinsan is a real person.