Lightning　is　one　of　the　single　largest　causes　of　service　disruptions　and　equipment　damage　occurring　on　utility　distribution　systems.　Protection　of　power　distribution　system　from　lightning-related　damage　and　faults　is　crucial　to　maintaining　adequate　power　quality　and　reliability.　In　this　paper,　a　Lightning　Information　System　which　meets　the　OpenGIS　standards　and　uses　open　source　softwares　such　as　PostGIS,　GeoServer,　Tomcat　and　OpenLayers　is　established　to　monitor　lightning　on　the　transmission　lines.　It　is　a　new　mechanics　to　capture,　store,　visualize,　analyze　and　manage　lightning　data　and　the　state　of　power　apparatus,　as　well　as　provides　a　timely,　accurate,　and　direct　instructs　of　lightning　protection　for　the　electric　power　system.　©　2010　IEEE.