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Most of vehicle monitoring systems based on GPS and GIS technologies use SMS as their communicating means. SMS didn't have private channel and is difficult to extend to suit other data business, could not afford stable communicating in those systems in some special situations. Contrasting with SMS, GPRS is cheap, real time and is more stable, and more suitable for those systems. A vehicle monitoring system that using GPRS and GIS is introduced, including the architecture, design, and the implementing of software is emphasized, also.