The author introduces the main content of the research oil the GIS-based regional agricultural analysis system of competitive industries, including the significance, the main contents and the implementation methods of the research, focusing on the classification of agricultural economic indicators for regional competitive industries, on the realization of regional choice based on GIS, and on the design of a computer system. The advantages of the regional agricultural industry from the analysis conduct a number of meaningful explorations on the ways and means, particularly making a number of new attempts on the use of GIS to analyze the agricultural regional competitive industries.