原发性夜间遗尿症(Primary nocturnal enuresis,PNE)是指从婴儿期延续而来且既往无持续6个月不尿床期,5岁以上儿童在夜间睡眠状态下的不自主排尿,每周达2次或2次以上,并且排除其他可能引起遗尿的器质性疾病。PNE的发病率较高,5岁儿童约占16.1%,每年自愈率约15.0%,7岁儿童约占10.1%,但仍有约2.2%的患儿持续至成年阶段,且男性多于女性。随着年龄增长,PNE的自愈率明显降低,研究表明,遗尿 Primary nocturnal enuresis (Primary nocturnal enuresis, PNE) refers to the continuation of infants from the past and non-continuous 6 months without bed-wetting, children over the age of 5 during nighttime sleep involuntary urination, up to 2 Times or more than 2 times, and ruled out other organic diseases that may cause enuresis. The incidence of PNE is high, accounting for 16.1% of children aged 5 years, self-healing rate of about 15.0% each year, about 10.1% of children aged 7 years, but still about 2.2% of children continued to adulthood, and more men than women . With age, PNE self-healing rate was significantly reduced, studies have shown that enuresis