前列腺增生症是一种中老年男性常见病,发病年龄大都在50岁以后,随着年龄增长其发病率也不断升高,已成为泌尿外科的常见病。前列腺增生与体内雄激素及雌激素的平衡失调关系密切。睾丸酮是男性主要雄激素,在酶的作用下,变为双氢睾丸酮,双氢睾丸酮是雄激 Prostate hyperplasia is a common disease in middle-aged and elderly men. The age of onset is mostly after the age of 50, and its incidence increases with age. It has become a common disease in urology. Benign prostatic hyperplasia and the imbalance of androgen and estrogen in vivo are closely related. Testosterone is the major androgen in men, under the action of enzymes, becomes dihydrotestosterone, and dihydrotestosterone is androgenic