Perennially　suffering　weathering　erosion　and　man-made　damage,　open-air　unmovable　cultural　relics＇　preservation　environment　is　very　serious.　By　taking　China　Tang　Shunling　as　research　object　and　adopting　grey　model　theory,　because　of　the　relic　monitoring　data　with　the　characteristics　of　small　sample　and　s-type,　the　paper　builds　the　GM(1,1)　model　and　the　Verhulst　model　in　analysing　and　predicting　the　development　trend　of　cultural　relic＇s　cracks.　Experimental　results　show　that　the　average　relative　errors　of　forecast　are　6.23%　and　2.36%　respectively,　which　provide　a　basis　for　the　relic　health　quantitative　analysis　and　research.　Finally,　the　cultural　relic　health　management　platform　is　designed　and　implemented　by　JSP　and　SQL　Server,　which　realizes　the　health　monitoring　data　collection,　pre-processing　and　forecasting　of　the　cultural　relic　health.