Attention deficit hyperactivity disorder(I.E.ADHD)is one of the most common psychiatric disorders in children.Its core symptom is attention deficit hyperactivity,and impulse.ADHD always appears in the school-age.Few scholars do their ADHD research focusing on the family function.McMaster family function model points out that the family is seen as an open system.Family member's behavior depends on the family structure,organization and interaction patterns.This study follows the guidance,adopts questionnaire ...