“Grand policies” are based on philosophical foundation of political regimes, and they are related with strategic problems of political system. Because of philosophical nature and strategic level of grand policies, it is recommended that they have not to be numerous. In Iranian political system, official structure of policy making procedure begins by the Expediency Council. This council, according to the constitution, is mandated by the Supreme Leader of the Islamic Republic of Iran. This article basically aims to analyze policy making tasks of different levels of Iranian political system, and argue that, because of its constitutional nature, the Expediency Council has to reduce its numerous policies, maximum to 15 grand policies, whereas they are actually more than 50 grand policies.