Web　mining　is　a　new　developing　discipline,　it　has　remarkable　behavior　on　the　data　gathering　and　processing　of　the　abundant　non-structural　data　at　network　age.　Scientific　and　technological　administrators　and　policy　makers　are　all　full　of　interests　in　its　applications　in　the　future,　however,　what　are　the　aspects　that　WM　can　use　and　what　are　the　specific　applications?　How　much　the　role　that　Web　Mining　can　put　into　the　field　of　technology　management　in　the　future?　After　the　study　both　in-depth,　this　paper　puts　forward　the　concept　that　the　science　and　technology　(S&T)　web　mining,　describes　the　present　application　situation　and　predicts　its　prospect　of　applications,　and　analyzes　the　technological　difficult　points　to　be　solved　in　the　future.