Objective: Stuttering is a disorder that can cause serious personal, emotional and social problems. Based on its pathophysiology, different treatment approaches to stuttering are controversial. Behavioral treatment has been shown to be effective for stuttering.

  In this study were mentioned to effectiveness of Simplified Habit-reversal as a behavioral approach for treatment of stuttering in Iranian children.

Materials & Methods: Twelve students participated in this study was selected from 350 stuttered children in schools. After baseline assessment in three setting, simplified Habit -reversal was done for the children. Assessment (baseline) , treatment and booster sessions were done in the subject’s home, school and clinic Assessment sessions were done at first -2^nd-3^th-4^th-6^th-12^th-13^th months after treatment. Post hoc tests were done by using paired t-test. Level of significance were considered equal on lest their 0.03

Results: Stuttering frequency was decreased in multiple assessment at home (P<0.03).these changes was observed in two other setting (P<0.02 in school, P<0.03 in clinic). there is no significant relation between decreasing of stuttering frequency and setting (P=0.73). decreasing of stuttering frequency had no relation with demographic variables (P>0.05).

Conclusion: Future researches about effectiveness of this method, especially in older cases and cases with co-morbidity in both sexes, are recommended.