本發明有關於一種3’-甲氧基染料木黃酮(3’?methoxygenistein),或稱5,7,4’-三羥基-3’-甲氧基異黃酮(5,7,4’-trihydroxy-3’-methoxyisoflavone),於抑制或治療黑色素瘤之用途,藉此3’-甲氧基染料木黃酮可用於製備抑制黑色素瘤細胞增生之醫藥品或保健品。 The invention relates to a use of 3’?methoxygenistein (also known as 5,7,4’-trihydroxy-3’-methoxyisoflavone) for inhibiting or treating melanoma. Accordingly, 3’?methoxygenistein can be used to prepare pharmaceuticals or health products that inhibit cell proliferation of melanoma.