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Forest fires are devastating disasters, which are considered as the most serious disasters at the 21 century. When forest fires occur, ignition points have not yet developed for many unmanned area and away from the roads and railways. Therefore, precision positioning of the ignition point and fire-fighting forces and analysis of fires regional distribution are particularly important. In this paper, the main applications of the GPS in the forest fires are introduced, using simulation software ARCGIS, modeling and numerical simulation of the regional distribution are proposed based on universal kriging algorithm when the fire broke out, the prediction error and the regional distribution simulating map verify effectiveness of this method.