良性前列腺增生症（ＢＰＨ）是男性老年人的常见病，多数国家统计其组织学上发生增生的机率与年龄成正相关。６０岁以上的男性有６０％以上发生ＢＰＨ，随着年龄的增长，许多人可引起尿路出口梗阻症状，久之可引起双肾积水，乃至肾功能受损等严重后果。因此，ＢＰＨ的防治是维 Benign prostatic hyperplasia (BPH) is a common disease in male elderly. Most countries have a statistically significant positive correlation between the histopathologic findings and age. More than 60% of men over the age of 60 have BPH. With age, many people can cause obstruction of urinary tract outlet obstruction, which can lead to hydronephrosis of the kidney and even serious consequences of impaired renal function. Therefore, the prevention and treatment of BPH is dimensional