The purpose of this study is comparison of filial and child-therapist play therapy on attention and hyperactivity of children with ADHD. Play is known as essential requirements for human (child). For children, play, same as food and water, is essential for survival, and also is one of important determinants of health and wellbeing. Meaningful games can severely affect human health and therefore the absence of these games can have destroying consequences to follow. Play is considered as a practical or actual tool for organizing time, place, and materials, patterns, habits and roles will develop through play. Children with ADHD, may make a lot of efforts to be successful in school, which can negatively affect their educational activities, for example it can disrupt their social activities in maintaining positive relationship with peers or may damage family relationships. Attention deficit disorder with hyperactivity is a childhood inherited chronic disorder of neural development. It is known by stable and recurring patterns of attention deficit, impulsivity and hyperactivity characteristics, which is inconsistent with developmental level of child. Play therapy is a method to help affected children for confronting with problems. This method is used as a tool for communication between child and therapist. This method is based on a fundamental assumption that play is a process by which child at first separate “me” from “not-me” and connects with world beyond self. Children communicate with their environment through play. At this study attempts are made to introduce play therapy as an effective method in treatment fields of children, and moreover to compare effectiveness of child-family method with child-therapist method with each other and to report their effectiveness on children with ADHD. This is an experimental study, the target population is children with ADHD, aged 6 to 12 years old, and who were referred to clinical centers of IRAN University of Medical Sciences. Sampling is random, by the way of randomly permuted blocks in available population.