The question of dominance in human thoughts was associated with the formation of the first governmental organizations in the history. In this direction, a fundamental question that emerged in political and legal realm is search for the origin of power and sovereignty of government. There are two viewpoints on this matter, namely the perspective of God's sovereignty and the viewpoint of people's dominance. This paper will study the concept of sovereignty along with its impressions, beside explanation of the meaning of political sovereignty, and theories related to it in the constitutional laws of the Islamic Republic of Iran.