The leaf of the plant which belongs to panatsukusu being attached and/or it includes the extract or the polysaccharide which is separated from the stalk as the active ingredient the anti- cancer medicine or that auxiliary medicinal composition, and the leaf of the plant which belongs to panatsukusu being attached possess action in activity such as hemotopoiesis promotion, cancer transfer control and marrow protection and/or the method of manufacturing the aforementioned extract from the stalk is offered.パナックス属に属する植物の葉および/または茎から分離される抽出物または多糖を有効成分として含み、造血促進、癌転移抑制、骨髄保護などの活性に作用を有する抗癌薬またはその補助薬用の組成物、並びにパナックス属に属する植物の葉および/または茎から前記抽出物を調製する方法が提供される。