通过对小流域水土资源进行分析和评价，对小流域的土地利用、农林牧副各业进行规划，是小流域综合治理的指导。其目的是确定小流域的生产发展方向，以防治水土流失，保护、改良和合理利用水土资源，提高土地生产力，充分发挥小流域的经济效益和生态效益，建立一个人工控制的、合理、稳定的生态经济系统。 Through the analysis and appraisal of soil and water resources in the small watershed, the planning of land use, agriculture, forestry, animal husbandry and animal husbandry in the small watershed is a guide for the comprehensive management of the small watershed. Its purpose is to determine the development direction of small watershed production, to prevent and control soil and water loss, to protect, improve and make rational use of land and water resources, to improve land productivity, to give full play to the economic benefits and ecological benefits of small watersheds and to establish a controlled, reasonable and stable Eco-economic system.