Establish the Long-effective Mechanism of Food Security in China

In despite of fluctuation in recent years,the grain yield in China has been increasing,which relieves the conflict between supply and demand and turns the situation of food security good.However,because of the rapid increase in food consumption,the conflicts of food quality and structure in the supply and demand equilibrium has become more and more obvious and the long-effective mechanism of food security has not been established yet.It is found that the factors affecting food security in China include the scarcity and dissipation of resources,farmers'low enthusiasm in planting grain crops and the inappropriateness of the emphasis and measures of macro-economic regulation and control.Therefore,the authors advance to optimize resources allocation,strengthen macro-economic regulation and control and policy stimulation and establish the mechanism of allocating grain production cost,to set up the long-effective mechanism of China food security and keep it stable in the long term.