Foreign policy of the country comes from diverse causes. The analysis of foreign policy researchers use a variety of theories and models that one of these theories is systemic pattern. This study aims to assess the systemic application of theory revisionist policy in the Islamic Republic of Iran's foreign policy during the presidency of Mahmoud Ahmadinejad. The aim of this study demonstrates the feasibility of applying the system of international relations theory as the theoretical framework for explaining and revisionist policy in the foreign policy of President Mahmoud Ahmadinejad. The main research question is whether the applicability of the system of international relations theory as the theoretical framework revisionist policy in the foreign policy of President Mahmoud Ahmadinejad in there? The answer is that the revisionist policy in the foreign policy of the Islamic Republic of Iran under President Mahmoud Ahmadinejad, systemic theory of international relations can be regarded as a proper model and theoretical framework. So this theory by taking an interactive process between the elements and components of the input, conversion and data as well as feedback from many capabilities in explaining Mahmoud Ahmadinejad's foreign policy is the policy of revisionism. One should always bear in mind that this theory also stays the exact same power. The capabilities of other theories of knowledge about the foreign policy of the Islamic Republic of Iran do not explain the totality.