摘要:Abstract This research aimed to examine effect of play therapy (watch ring) on ADHD boys. Using randomized sampling, among ADHD boy had referred to Shams clinic in Tabriz- Iran in 2010. 14 children were selected. They were randomly placed in 2 groups (experimentation and control group). CSI-4 questionnaire was performed by parents as pre and post- test. Using of covariance analysis, results showed that there is significant difference between control and experimental group. It's resulted that play therapy (watch ring) may be effective method for treating children with ADHD.