在综述国内外研究概况和研究方法的基础上,结合鄂西北山区的相关径流小区观测数据,引用关联规则中的Apriori算法,首先对坡角、植被覆盖度、土地利用类型、植被措施等各种不同因子进行量化,然后分别实现在不同耕作方式、不同坡度、不同植被覆盖度因子条件下以及综合因子影响下,它们对土壤侵蚀状况的影响,再综合进行影响因子与坡面土壤侵蚀之间的关联规则分析,以算法的支持度与置信度为基础,实现各因子与土壤侵蚀状况的重要性程度关联,进而得到各因子与土壤侵蚀之间重要性关系,建立研究区坡面径流小区土壤侵蚀评价指标体系。 Based on the overview of research and research methods both at home and abroad and the Apriori algorithm in association rules based on the observation data of the relevant runoff areas in the mountainous area of ​​northwestern Hubei Province, the paper first introduces the slope angle, vegetation coverage, land use types and vegetation measures Different factors were quantified, and then the effects of different factors on the soil erosion under different tillage methods, different slopes, different vegetation coverage factors and comprehensive factors were quantified, and then the relationship between the influencing factors and slope soil erosion Based on the analysis of association rules, based on the support and confidence of the algorithm, the relationship between each factor and the importance of soil erosion was achieved, and the importance of each factor and soil erosion was obtained. Soil erosion Evaluation System.