In　order　to　integrate　supply　chain　management　systems　simply　and　conveniently　among　enterprises,　this　paper　analyzes　the　logistics,　the　information　flow,　and　the　fund　flow　in　supply　chain　and　supply　chain　management,　and　makes　a　deep　research　on　the　complexity　and　dynamic　essence　of　the　supply　chain.　A　solution　based　on　the　framework　of　Web　Services　is　presented.　This　solution　is　characterized　by　the　functions　of　loose　coupling,　service　port　openness　and　intelligent　discovery,　communication　based　on　public　standard　etc.　Finally,　the　purchase　management,　sale　management,　storage　management　and　system　management　function　models　of　the　supply　chain　management　system　are　realized.