Abstract: Rock burst risk evaluation is the basis of comprehensive prevention and prediction.Although there are a lot of rock burst risk evaluation method,but in practice it has some difficulty.Based on the comprehensive index method,quantitative theoretical method,fuzzy matter-element method and possibility index method,a coal mine rock burst risk comprehensive evaluation system is developed.After inputing the geological and mining conditions of a coal mine,the rock burst risk can be evaluated automatically by this evaluation system,which provides technical and software support for preventive measures selection.