"Geostationary Satellite Images Processing System" can process the VIS, IR and WV images of GMS-5 of Japan, which runs on Windows operating system of microsoft and has standard graphic interface. It is very convenient and flexible for users and it can help them finishing research work quickly. Its main functions are as follows: Overlay satellite image with map and longitude-latitude grid, extracting TBB grid files, averaging satellite images, enhancing satellite images, conversion of satellite images to common graphic and image file.