Selection　of　port　enterprises　logistics　service　providers　is　a　complex　multiple　attribute　decision-making　problem.　In　order　to　improve　the　scientific　nature　of　selection,　a　set　of　reasonable　decision-making　methods　of　logistics　service　providers　selection　are　needed　to　establish.　Accordingly,　a　combination　weighting-grey　synthetic　decision-making　method　is　proposed,　which　is　used　to　solve　the　problem　of　providers　selection.　Firstly,　this　method　combines　the　network　analysis　method　with　the　entropy　method　to　determine　combined　weights　of　evaluation　indexes.　Secondly,　the　improved　center-point　triangular　whitenization　weight　function　is　introduced　to　cluster　alternative　plans　and　judge　its　corresponding　grey　classes,　and　then　synthetic　weighted　decision-making　vectors　are　used　to　solve　grey　synthetic　decision-making　coefficient　vectors.　Next,　grey　synthetic　clustering　decision-making　coefficients　are　calculated　to　conduct　a　synthetic　decision-making　rank　of　alternative　plans.　Finally,　an　empirical　study　is　conducted　to　verify　the　effectiveness　of　the　proposed　method　by　taking　logistics　service　providers　selection　of　a　port　enterprise.