You Jiajun (1898— 1967), whose real name is Xiuzhi, is from Jimo County, Shandong Province. 1926 graduated from the School of Medicine of cheeloo University, and received his doctorate in Toronto, Canada. He is a professor at cheeloo university Medical College and Shandong Medical College (Grade I). 1932 ~ 1933 studied at the dermatology hospital of Vienna University, Austria. 65438-0947 went to new york Columbia University Central Hospital for further study. 1956 as an associate doctoral tutor. Member of the Second China People's Political Consultative Conference, 1 and the Second CPPCC. He was awarded the honorary title of advanced worker in Shandong health system and advanced worker in Shandong province (special prize). He has published more than 30 papers and 8 monographs and teaching materials in academic journals at home and abroad. He is the pioneer and founder of leprosy prevention and control specialty in China, and enjoys a high reputation.