The greatness of historical connection and partnership between Turkey and Iran is not compatible with current trend for competition and superiority. The subject is actually very detailed and challenging one. It is detailed as the process which begins with the adoption of Islam by Turks extends over centuries and consists cooperation with different aspects. It is challenging as the chaos and burdens of modern era have been significantly destructive in the recent years. Furthermore, it is too easy and commonplace to try to explain the relation of Turks and Turkish language with Persian by using words such as influence, imitation and emulation. Now it is necessary to give up these racist and malicious approaches in historical, literary and cultural subjects. A literature historiography of this kind has resulted in destructive and humiliating consequences for Eastern literatures within the recent century. These consequences have necessarily effected societies and state policies of these two countries. However, recent relations between two countries in the scientific and cultural subjects are promising