The Automatic Precipitation ReportMaking Software for Meteorological Observation is developed for Shandong Province. The intelligentized filtration and manual checking, as well as report making, saving and printing, can conducted automatically, on the basis of the convention data files from automatic weather stations, taking time and precipitation as criteria. It can well meet the needs of the current precipitation report making operation, has a plain interface, is easy and convenient to use and has been put to operational use.