The region weather modification information operation conditions website system for integrated monitor and analysis based on B/ S (Browser/ Server) mode is developed, which is to meet the need of the weather modification professional work. The system is developed by using the .NET platform and ASP.NET technology. Applying the WebGIS technology, weather modification map release can be realized by using ArcIMS. The trial use proved that the system works interactive and operation, and can be improved the efficiency of the weather modification professional system.