Similar to majority commodity, grain market have also many deck level circulation market, the relation between supply and demand of grain circulation market do not the single market relation between producer and consumer, it is a complex market relation between producer, consumer and distributor. In view of function status quo and feature of grain double-deck circulation system, for sound and perfect grain circulation system in our country, on the one hand, we should break monopolize aspect that state grain enterprise monopolize grain purchase and sale market, on the other hand, we should positive rear state grain wholesale business and use market mechanism to dispose grain resources, to build long-term and steady purchase and sale relation between producer and consumer, to launch produce and consume coordinate, to urge grain import and export business.