摘要:AbstractObsessive- compulsive disorder (OCD) is a part of anxiety disorder presented as images, persistent ideas, impulses, repetitive behavior or thoughts that disabled the person. The cognitive model implies that these reactions are formed as a result of dysfunctional beliefs. The aim of this study was to determine the effect of cognitive- behavioral therapy (CBT) on reduction of OCD Symptoms in girl students. Sampling was purposeful and 7 girl students with OCD enter to individual therapy. Procedure of research was pre- experimental (pre-Test, post-Test) with one group. A tool was Eyle Brown OCD self-appraisal with 10 question material. Statistics test was Descriptive Statistics & T dependent. The findings showed that CBT sessions are effective in reducing the OCD symptoms in girl students P<0/001. With consider of different researches results shows eclectic therapy (pharmacho- psychotherapy) is the best treatment.