The PC-based TOVS data processing system developed by National Satellite Meteorology Center can process the atmospheric vertical sounder (TOVS) data in real time for the polar meteorological satellites and generate a variety of digital and graphical products, such as atmospheric temperature and moisture profile,geopotential height, thermal wind,total precipitable water vapor amount,outgoing longwave radiation (OLR) ,total ozone amount,TOVS water vapor images and so on. RMS errors is about 2.5K for atmospheric temperature profile,25% for water vapor profile. Because of the larger coverage of the meteorological satellites and the more frequency of satellite observations,TOVS products may be more useful to the regions that lack conventional data, such as the ocean,the plateau,the desert and so on.