( T.D.A.H.) is an association of 3 symptoms: moving hyperactivity, attention disorder and impulsivity. Hyperactives children haven’t some difficulties in learning. Attachment between mother and children is a primary need. Attachment can be secure or insecure. Is there a relation between hyperactivity and attachment? Our study in Reunion Island, concern 25 hyperactives children mother’s interviews with a questionnary. In this population, 76% of children haven’t reading difficulty and there is an insecure attachment between mother and hyperactive child.