A kind of polymer drug,using 5-flurouril as model drug,lactic acid-phosphate copolymers as polymer drug carriers,was synthesized.

• 以5－氟尿嘧啶（5－FU）为药物模型，以乳酸－磷酸酯共聚物为高分子药物载体，合成了侧链带药的乳酸－磷酸酯共聚物药物。