0　引　　言包茎是儿童生殖器常见疾患,新生男婴发生率为100%。随着年龄的增长,龟头的生长速度快于包皮,因此,部分儿童包茎由于自身龟头的扩张而得到缓解。尽管如此,3岁以上男婴仍有30%～40%的罹患率。包茎的危害主要有两个:一是尿液残留,使龟头发生炎症、破溃,尿中的有形成分 0 Introduction Phimosis is a common childhood genital disorders, the incidence of newborn baby boy was 100%. With age, glans grow faster than the foreskin, therefore, some children phimosis due to the expansion of their own glans and eased. In spite of this, there are still 30% to 40% of the boys over the age of 3 attack rate. There are two main phimosis hazards: First, residual urine, glans inflammation, ulceration, visible components of urine