前列腺癌是西方国家最常见的恶性肿瘤之一，近年来，我国前列腺癌发病率也明显增高，仅次于膀胱癌和肾癌，在泌尿系肿瘤中排第三位。大多患者确诊时已达进展期，传统治疗效果差。基因治疗的出现，给前列腺癌治疗提供了新的思路，其中自杀基因疗法尤为引人瞩目。自杀基因亦称酶 Prostate cancer is one of the most common malignant tumors in western countries. In recent years, the incidence of prostate cancer in our country has also remarkably increased, ranking second only to bladder cancer and renal cancer, ranking the third in urological tumors. Most patients have reached the diagnosis of advanced stage, the traditional treatment is poor. The emergence of gene therapy provides a new idea for the treatment of prostate cancer, of which suicide gene therapy is particularly noticeable. Suicide gene also known as enzyme