At present, China's food prices are squeezed by the domestic and foreign markets,so it is necessary to try to study the factors of labor force production from the point of view of the effective supply of food through price stimulation.In this paper,the panel data of 31 provinces, cities and autonomous regions of China are selected for 2006-2015 years,based on the analysis of the current situation of the change of rural labor force structure and the mechanism of food supply, we construct the panel data measurement model for regression analysis....