Fang Shuanfeng, Chief Physician With over 20 years of experience in pediatric healthcare and the diagnosis and treatment of developmental behavioral disorders. Specializes in health management assessment for children and adolescents, pediatric healthcare, growth and development monitoring (including growth retardation, short stature, etc.), guidance on child nutrition and feeding, and diagnosis and treatment of developmental behavioral disorders (such as attention deficit hyperactivity disorder, tic disorders, autism spectrum disorder, and language and speech developmental delay in children). Currently serves as a member of the General Pediatrics Group of the 19th Committee of the Pediatrics Branch of the Chinese Medical Association. Previously served as a member of the Developmental Behavioral Group of the 18th Committee of the Pediatrics Branch of the Chinese Medical Association, a member of the Child Healthcare Group of the 4th Committee of the Pediatricians Branch of the Chinese Medical Doctor Association, a member of the Prevention and Treatment of Adult-Onset Diseases in Children Working Committee of the Chinese Preventive Medicine Association, and a youth member of the Child Healthcare Branch of the Chinese Preventive Medicine Association. Also serves as a review expert for the *Chinese Journal of Child Health Care* and *Clinical Medicine*. Main research interests: Comprehensive intervention and play therapy for attention deficit hyperactivity disorder in children, psychological and behavioral therapy for tic disorders, family intervention for autism spectrum disorder in children, and nutrient deficiencies in children.