Dr. Xu is a chief physician, professor in Department of Internal Medicine of Beijing Tiantan Hospital affiliated to Capital Medical University. Dr. Xu graduated from Capital Medical University, got master degree in 1990 and MD in 2002.

Dr. Xu has been doing clinical job since 1983 and conducting research work on cardiovascular disease since 1990. Dr. Xu studied molecular biology in Sino-German laboratory of molecular Medicine in Cardiovascular Institute of Fuwai Hospital, Chinese Academy of Medical Sciences and Union Medical College from February to August in 1998.

Dr. Xu has been teaching clinical diagnostics, internal medicine and medical English in Capital Medical University since 1988.

Dr. Xu has published more than 20 papers in academic journals.