A comprehensive demonstration garden of sweet potato industry can be built in Heichi, Heyang, Taiyuan Yellow River Diversion Irrigation Area. The news released by Heyang Political Science and Law Network on July 4, 2022 shows that Heichi Town belongs to the eugenic area of sweet potato industry. It has a long history of planting sweet potatoes, large area, wide distribution area, stable output value and good market prospect. At present, we mainly sell fresh potatoes, supplemented by starch and vermicelli processing. In the next step, Heyang County will rely on the technical support of the expert team of West Agricultural University, take advantage of the geographical resources of sweet potato planting, increase the guidance and support for the sweet potato industry in Heyang County, support the high-yield demonstration base, and promote the large-scale planting in the surrounding villages by radiation, make a fuss about the integration and development of the first, second and third industries, improve the quality, enrich the product variety and deep processing, meet the market demand, and gradually establish a comprehensive demonstration park of sweet potato industry integrating core planting, processing and storage, so as to increase farmers' income and get rich.