Professor，doctoral supervisor，chief physician
Director of  Neurology Department, National Center for Children’s Health, Capital Medical University, Beijing Children’s Hospital, China
Committee member and deputy leader of Chinese pediatric society never branch, Chinese medical association
Deputy chairman of pediatric Neurology Specialty committee of Beijing Medical Association
Deputy leader of pediatric neurology Group of Pediatrics Branch of Beijing Medical Association
Research areas focus on the clinical and genetic characteristics in children with mitochondrial diseases