The present disclosure pertains to the field of biomedicine, and specifically relates to a method for treating, suppressing, reducing the severity of, lowering the risk of, or inhibiting the metastasis of cancer in an individual, the method comprising administering to the individual a therapeutically effective amount of an IAP inhibitor, a therapeutically effective amount of a modulator of an immune checkpoint molecule, and optionally a therapeutically effective amount of a tubulin inhibitor. The present disclosure further relates to a pharmaceutical composition or kit comprising an IAP inhibitor, a modulator of an immune checkpoint molecule, and optionally a tubulin inhibitor.本發明屬於生物醫藥領域，並具體關於一種治療、遏制個體的癌症、降低其嚴重性、降低其風險或抑制其轉移的方法，所述方法包括向所述個體給藥治療有效量的IAP抑制劑、治療有效量的免疫檢查點分子調節劑，並且任選地給藥治療有效量的微管蛋白抑制劑。本發明還關於一種包含IAP抑制劑、免疫檢查點分子調節劑以及任選存在的微管蛋白抑制劑的藥物組合物或藥盒。
