Islamic Republic is system different from dictatorship, totalitarianism, and sultanate, on the one hand, and inclined, not exactly similar, to western and eastern democratic system, on the other hand. It is an independent and specific system emphasizes on individual rights and dignity from an intrinsic,natural, divine law. This systemcontains a veryprofound concept which is in accordance with the nature and needs of modern man and includes all the existentialdimensions of man, his soul and body, and this world and the hereafter. Being completely aware of the nature and particular needs of the Iranian society, Imam Khomeini proposed this system.