Second, China's central mode of urban food distribution center of the city's grain circulation model (see Figure 1) should be with the economic development, food supply and deepening of structural reforms and changes in consumer demand for continuous improvement and innovation center of the city's food distribution in the food security on the basis of safety, to facilitate the people's life and ensure that the principle of people's quality of life, and continuously improve the safety of grain and oil products, rich in its variety and supply channels, through the extension of grain deep processing and supply chain to share the family kitchen work, and thus improve the center the city's food supply system.