Traditional　web　security　assessments　arc　evaluated　using　a　single　data　source,　and　the　results　of　the　calculations　from　different　data　sources　are　different.　Based　on　multi-source　data,　this　paper　uses　Analytic　Hierarchy　Process　to　construct　an　evaluation　model,　calculates　the　weight　of　each　level　of　indicators　in　the　web　security　evaluation　model,　analyzes　and　processes　the　data,　calculates　the　host　security　threat　assessment　values　at　various　levels,　and　visualizes　the　evaluation　results　through　ECharts+WehGL　technology.