Professor, Chief physician，MD
•  Graduated from Peking University Health Science Center in 1993
•  Have been working in the Pediatrics Department of Peking University Third Hospital since 1993.
•  The main research focus is on allergic gastrointestinal diseases and gut mucosal immunity
•  Member of Clinical Nutrition Group，Pediatric Society of Chinese Medical Association
•  Deputy head of Pediatrics Group，Gastroenterology Society of Chinese Medical Association