This course provides a study of the history of the Islamic groups and their emergence. It also defines the most significant Islamic groups such as Al-Khawarij, Ashi’ah, Al-Mu’tazilah, Al-Murji’ah and Al-Qadariah and it clarifies their methodology in approaching the text and ijtihad in matters related to the creed and other matters and its influence on the Islamic contemporary intellect and the spreading of Islam in the past and the present.