Introduction：

Graduated from the Department of Clinical Medicine of Shanghai Medical University in 1994, and obtained a PhD in Pediatrics from Fudan University School of Medicine in 2003. In 2008, he studied in the Department of Infectious Diseases, Children's Hospital of Vancouver, Canada, and Sickkids Children's Hospital in Toronto. In 2011, he had a short-term exchange in the Department of Microbiology, University of Hong Kong. Currently, he is the director of the Department of Infectious Diseases and doctoral supervisor. He has long been committed to medical, teaching, research and science popularization of infectious diseases in children, and participated in Shanghai and national emergency and emergency infectious disease prevention and control decisions and the handling of vaccine adverse reactions. In 2017, he took the lead in establishing the first "Vaccination Assessment Clinic" in the country, initiated and led the vaccination practice of children with special health conditions in my country, took the lead in organizing the drafting of the basic principles of vaccination for children with special conditions in my country, participated in the formulation of the WHO antibiotic manual, and participated in the formulation and writing of domestic infectious diseases A number of important guides in the field.