湖南省新化县自1997年被列为“长治”工程重点治理区以来，坚持以小流域为单元，以调整和优化土地利用现状和农业生产结构为突破口．以建设优质工程为目标，山水田林路园综合治理，农林牧副渔工协调发展；投资3398.8万元，其中国家投资636万元，治理水土流失面积159.26 km2；有 Xinhua County, Hunan Province, has been listed as the key governance area of ​​“Changzhi” project since 1997, insisting on taking the small watershed as a unit and taking the adjustment and optimization of land use status and agricultural production structure as the breakthrough point. With the goal of building high-quality construction projects, the comprehensive management of Tianlin Road Park and the coordinated development of agriculture, forestry, animal husbandry and fishery industries with an investment of 33.988 million yuan, including 6.36 million yuan of state investment and 159.26 km2 of water and soil erosion;