Workflow　process　modeling　is　an　important　step　in　Workflow　Management.　This　paper　researches　and　implements　a　Web　Workflow　modeling　system,　which　uses　WSFL　and　design　patterns　to　describe　and　realize　the　Workflow　process　model.　In　this　system,　new　coming　technology　of　Web　Services　was　used　to　import　existing　process　template　during　the　process　of　modeling,　in　order　to　improve　the　quality　and　efficiency.　So　a　new　approach　to　model　and　realize　the　business　process　in　the　field　of　dynamic　e-business　is　brought　forward.