Integration technology for agricultural land grading figure database based on retrospective analysis method

To set up a system integration technology of agricultural land grading figure database based on retrospective analysis method, the connotation of retrospective analysis method was defined, the types of retrospective analysis method were compartmentalized. Steps of two types of retrospective analysis method were concluded, following example study, those characteristics were summarized. Classification method and grading of integration unit, determination method of area and the rules of attributive connection were determined. The results show that the integration technology based on retrospective analysis method is science technical method for management, which not only can ensure quantitative quality and spatial quality, but also can efficiently query, update, and administer gather the integrated fruits.