SUMMARY
The September 11 terrorist attack in 2001 was one of the international debating events that lead to considerable consequences for both The Middle East and international politics. One of the main consequences of this event was the direct U.S military and its ally's presence in The Middle East and subsequently, ever increasing growth of Takfiri and Selfi groups.In this era, the Middle East has been one of the main and primitive canons of political news all around the world. For this reason, the focus of the present paper is on this event. The structure of this paper is based on a new aggressive and realistic theory and combinations of descriptive-analytic inter text methodology, which is going to answer the following main question:What are the reasons of the growth and development of growth and reinforcement of Takfiri groups in the Middle East after The 11 September incident? To answer, the hypothesis of the study is proposed and answers that factors including to remove blatancy, the load of religious principals and concepts by Takfiri in opposed to The west and The Islamic republic as well as western and international public anti-Islamic atmosphere and also to protect safety and situation of Israel, results in the growth of Takfiri groups after this incident. The methodology of this paper is based on applied descriptive-analytic principles.