Abstract: Taking wheat as an example，the ecological footprint，flowing characters of farm products and their driving mechanism in China are analyzed with the point view of ecology．And the occupying phenomena of the ecological function from the wheat producing area in the process of flowing，and puts out the ecological and economic risks brought by the phenomena are also put~rward and analyzed．Finally，this article suggests setting up the mechanism of ecological compensation，and improving the eficiency of resources and the price of whea t properly．