Ibn e Taimiyya (661-728/1263-1327) is one of the most dynamic and seminal personalities in the history of Islam. Born in an age which, was characterized by, large numbers of distortions and Riots in Muslim society, he struggled hard to revive Muslim society through inward animation and re-interpretation of its values in the light of a new spirit of ijtihad (interpretation of law) based on direct recourse to the Qur'an and the Sunnah. He came to be hailed as the mujaddid of his age. His thought influenced not only his contemporaries in the Muslim heartlands but reached far beyond. A large number of Ulama throughout the world consider him great reformer and renewal, some of theme, express their views emotionally and pay tribute to his services for Islam and Muslims. There are many principles and rules adopted by Ibn e Taimiyya for reformation; one of the basic principle ''Only follow the Origan of religion is key of success' discussed in detail in this article which is soughted out from his glorious books. This article should guide the researchers and preachers to understand the method of reformation of religion, with the help of Ibn e Taimiyya's methodology.