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中文摘要：
运用ArcGIS软件和内置VBA二次开发技术，提出一种土地利用数据中图斑的合并方法。首先按地类等级合并属于同一行政区且相邻的图斑，然后根据本文提出的合并规则合并小图斑到相邻图斑中。实验表明：利用此方法合并图斑，符合数据制作规范、不易出错、速度快等优点。
英文摘要：
Using AreGIS software and the VBA second development technology, this paper proposed a method to merge polygons of land use. According to land grade, the adjacent polygons belong to a same district were merged firstly. Then, small polygons were merged into some adjacent polygons on the basis of combination rule proposed in this paper. The experiment indicated that this method is faster and easier to avoid making mistake and can accord with data regulation.
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