Abstract: The issues concerning agriculture,countryside and farmers in China have nothing to do with grain safety under the nowadays market institution,the core of the issues is about the farmers,the grain will not affect the stability and development of china because of the progress of science.In the view of economic,Chinese grain should be regulated by the market,and use the internal and international market to satisfy it's demand,but the grain safety will be a strategic problem,it's because of the abruption of Tai...