The goal of this study was to investigating the effect of collaborative mother-child play training on attention Deficit hyperactivity disorder symptoms in male school students of Isfahan thus, in a quasi-experimental design with a control group and pretest – post test & follow up assessment, 32 male student, with high scores in behavioral disorders selected and assigned randomly in experimental and control group (n1=n2=16). experimental group received an eight-sessions a weekly basis with the participation of mothers and playing with the children. While the control group received no intervention and remain in waiting list. two groups were evaluated by parent form of child symptoms check list(CSI-4). the results of the analysis of covariance showed that intervention with mother-child playing reduces the57.9% symptoms of attention deficit , 28.2% of hyperactivity symptoms and can reduce 55% reduction of the composite of symptoms This disorder in post test (p<0.05).in addition, this intervention reduced 54.2 % attention deficit symptoms, 22.5% hyperactivity symptoms and 58.1% symptoms of the composite type’s in follow up(p<0.05). based on these findings, it can be concluded the mother-child playing is suitable to reduce symptoms of attention deficit hyperactivity disorder effective and with this empirical practical interment can reduce severity of attention deficit and hyperactivity symptoms. this model can improve mother child relation can prevent in convert ADHD and other childhood behavioral disorders