Abstract: Evaluation unit is formed by overlaping county soil data,present landuse map,agrotype map and administrative map;the appraisal factors were ensured including 13 factors from six aspects of production performance,land management,site condition,section composition,soil physical and chemical properties and the nutrient;the degree of membership is ensured by Terfel method and analytic hierarchy process by definite weight.The comprehensive evolution on farmland soil data of Laixi City was made with MAPGIS software.The result showed that the cultivated land fertility are mainly two,three and four,respectively accounting for the proportion of 28.0%,39.0%,20.7% in total cultivated area of Laixi City.