The Meteorological Service Information System for Sichuan Province, using the WebGIS model, integrated with the GeoBeans platform, possesses such functions as map browsing, weather information query, information query, rainfall and temperature curve drawing, and so on. The system is designed in B/S mode, using the partial refresh achieved by JavaScript and ASP, which is faster and more stable. The application indicates that the GIS and meteorological data can be perfectly combined in the system, which makes meteorological data more applicable, with the scope of application expanded greatly.