The invention provides compositions and methods for treating cancers. The methods comprising administering a PD-1 axis binding antagonist and an anti-GPC3 antibody. The compositions comprising a pharmaceutical composition for treating cancer which comprises a PD-1 axis binding antagonist and an anti-GPC3 antibody. Also disclosed are a pharmaceutical composition to be used in combination with a PD-1 axis binding antagonist for treating cancer which comprises an anti-GPC3 antibody as the active ingredient; and a pharmaceutical composition to be used in combination with an anti-GPC3 antibody for treating cancer which comprises as the active ingredient a PD-1 axis binding antagonist.本發明提供用於治療癌症的組成物及方法。所述方法包含施用PD-1軸結合拮抗劑及抗GPC3抗體。所述組合物包含用於治療癌症的醫藥組成物,其包含PD-1軸結合拮抗劑及抗GPC3抗體。亦揭示與PD-1軸結合拮抗劑組合使用於治療癌症的醫藥組成物,其包含抗GPC3抗體作為活性成分;以及與抗GPC3抗體組合使用於治療癌症的醫藥組成物,其包含PD-1軸結合拮抗劑作為活性成分。