The problem of Consubstantiality of Quran is dealt with in the classical literaturein the context of the relationship between Seven Letter and Qiraah, the reliability of Qiraahs and the critics of true Qiraah. It's just possible to state that the Quran and the Qiraahs are same or different things with doing the essence definition of these two concepts. Definitions is performed according to the hadd theory in the Sharia sciences. However, this theory -especially in the terms of Quran- it is questionable to what extent reflects the definition. This article seeks to solution of the problem of the consubstantiality of Quran and Qiraahs around the authors who gave works in the different areas.