Political system in Iran is characterized by its religious.It depends upon the principle of the Organization Islamic government based on the concept theory of (Wellayat Al-Fakih) as a basis for the reign.Political system of Iran is also characterized by centralization as well as its complicated and compound nature which differs from so many political systems in the world.
According to its structure, constitutional institutions forming this system lie within the three powers ( legislative , judicial and executive ) as well as independent institutions.These institutions share in addition to religious and political Baby Powder societies and revolutionary ones and Al-Bazaar, in making the political decision.Constitution of Iran has defined the structure and Competence of these institutions and limited its functions.
These competences might differ and cases arose can be solved by the superior.Guide of Islamic Revolution as being the high authority in politics and religion inside the political system of Iran.