The application of PV power generation in agriculture not only solves the problems of power supply needed for water irrigation and mechanical power, but also generates excess electricity output on the grid. Therefore, PV agriculture is an important form of agricultural engineering that meets the requirements of the biological chain and the energy system of production raw materials. In the long run, the development of PV agriculture can not only solve the current problem of competition for land between PV industry and agricultural development, but also has important significance for China's agricultural transformation.