Professor of Capital Institute of Pediatrics Chairman of the Early Childhood Development Committee of the National Women's and Children's Health Research Association Standing committee member of the Children's Health Professional Committee of the Chinese Preventive Medical Association Deputy chief editor of the Pediatrics volume of the Chinese Medical Encyclopedia Successively undertaken the national "973 Planing" project, the National Natural Science Foundation of China project Published more than 100 papers in the field of nutritional epigenetics Conducted health professional standards"Supplementary Food Nutrition Guidelines for Infants and Young Children" (WS/ T678-2020)