Scalable Vector Graphics(SVG) is a kind of text mode vector graphic describing language with open standard.Various high quality vector graphics can be displayed in the web page by using SVG,which is widely used in the open release of network graphics data.Aiming at applying SVG technology to the drawing of power distribution station hookup,the paper studies SVG graphic system,set up a graphic system that meet the requirement of Browse/Server mode.By using SVG DOM and JavaScript,the special drawing tool in the power system is designed.It allows operators to browse and amend the specific location and the attribute of device so as to accomplish the drawing of connecting diagrams for power distribution stations.