Abstract: Ismail Raji al-Faruqi was a prominent Muslim scholar who contributes a lot in Muslims progression. He was a pioneer in the development of Islamic studies in America and in interreligious dialogue internationally and an activist who sought to transform the Islamic community at home and abroad. The present article aims at discussing background of al-Faruqi and his views on Comparative Religion. Throughout his life, he succeeds in providing a proper guidance on how to study a religion which is disengagement. Besides that he used to introduce the idea of meta-religion of how to evaluate a religion. Lastly he tend to critique the ideas of the west on studying of other religion.