Yin Yuxin, male, born in 1959, doctor of medicine, doctor of genetics, professor of pathology in peking university health science center, doctoral supervisor. 1990 graduated from union medical college with a doctor of medicine, and then went to the United States to be a postdoctoral fellow at Salk Institute in San Diego, California. 1993- 1997 studied for a doctorate at the university of north Carolina at chapel hill, and 1997 obtained a doctorate in molecular biology and genetics. 1997- 1999, postdoctoral fellow at Princeton University.