Abstract: From the perspective of international supply, the wheat export volumes of the wheat exporting countries or international organizations——USA, Canada, EU and Russia during January 2000 and February 2014 and the international price of wheat were researched by using the method of impulse response function, and the status of these countries or organizations in the international wheat market were identified, their development potentials were revealed.The results showed that the international prices of wheat were dominated by USA and Canada, but they all faced sluggish growth, and the wheat export of EU interacted virtuously with the international prices, Russia’s wheat exporting had prodigious potential.