Legitimacy is one of the factors by which governments justify their dominance and application of power, therefore each State that suffers from the lack of legitimacy cannot apply its power as it used to do, but recourses to the rude force to rule upon people. In this article, our discussion is about the quality of the legitimization of governments in order to continue their authority. In the other words, the political systems justify their own legitimacy through emphasizing upon a series of certain factors; therefore rightness, acceptance, lawful and effectiveness.