This project is located in Sunyuan Town, Sihong County, Jiangsu Province. The photovoltaic power generation system is installed on the water surface of the original fish ponds and lakes, and fish and shrimp are planned to be cultured under the water surface, so as to achieve the mode of parallel cultivation and power generation, realize the dual use of one place, improve the land utilization efficiency and increase the output value of land per unit area.