Based on previous results of qualitative research, the professional competence of cosmetics salespersons working in airport duty-free shop is divided into three parts: "knowledge", "techniques, and "attitude". From the analysis of Fuzzy Delphi Method (FDM), there are five aspects, twenty assessment factors in "knowledge", three aspects and fifteen assessment factors in "techniques, and five aspects and twenty-seven assessment factors in "attitude. Fuzzy Analytical Hierarchy Process (FAHP) is used to realize the relative importance. Final some suggestions are provided for managers to train employee according to those results.