The present invention is related to a drug carrier and a drug structure containing the same. The drug carrier comprises a substrate made of polymer and a peptide that is connected with the substrate. By the arrangement of the substrate and the peptide, the drug carrier of the present invention has the ability to target tumor cells and has the advantages of extending the time of the drug being carried within blood circulation.本發明關於一種藥物載體及含其之藥物結構。該藥物載體包含一由高分子材料所製得之基質及與該基質接合之至少一胜肽。藉該基質及該胜肽的結構配置,本發明之藥物載體具有標的腫瘤細胞的能力,並具有延長藥物於血液內循環之時間的優點。
