The Islamic committee, as one of the Islamic institutions, was formed after the Islamic revolution’ s victory and fought counter revolutionary elements, monarchists and opponents of the Islamic revolution. The committee along with gendarmerie and constabulary forces assisted to secure cities and made sacrifices against drug trafficking and protected the eastern boundaries. As the imposed war began, the personnel of the Islamic committee in addition to duties mentioned fought along with the warriors and did greatly in a lot of battlefronts. The present article, utilizing historical approaches, aims to study Ilam’ s Islamic revolution committee’ s role in the Holy Defense. Research findings demonstrate that the revolution committee had a continued presence in the battlefields and some of its personnel were dispatched to battlefields in form of cadres, conscripts, or volunteers of whom some were martyred, wounded and even held captive.