There are some obstacles and difficulties in the process of transformating grain production superiority into regional systhetial economic superiority in main grain production area of our country , such as policy encouragement, contradictory of person and land, weak agricultural quality, hysteresis of structural adjustment and platform of advantage transformation. From the strategy of national grain safety,we should strengthen transformating grain production superiority into regional systhetical economic superiority, and find some countermeasurs in connection with reality and easy operation fro...