This study investigated the competencies that cosmetics salespersons should possess from the perspective of cosmetics salespersons working in airport duty-free shop. Based on a qualitative research approach, semi-structured interviews were conducted. A totalof 6 salespersons working in airport duty-free shop were interviewed. The recorded interview data were transcribed into text and analyzed using content analysis. The results exhibit that the competencies that cosmetics salespersons working in airport duty-free shop should possess could be divided into three main categories, including "knowledge", "techniques" and "attitude". "Knowledge" include 6 dimensions and 29 factors; "techniques" include 3 dimensions and 16 factors; and “attitude” include 5dimensions and 28 factors.