Rockburst is a prevalent phenmenon of geological disaster. How to make the rockburst's risk assessment come true by mordern technical means is a major task. Take a line DALTRO-DUKE in west line of the South-North Water Diversion Project for example, study the risk assessment base on GIS, we can get the picture of the result and analyze the accuracy and effect of the project. It is a beneficial usmy for reference to same researches according to from a whole ststem in research concepts and operation procedure of risk assessment by GIS.