蛲虫成虫通常寄生在人体盲肠、结肠及回肠的下段 ,虫体可游离于肠腔或借助体前端的头翼、唇瓣和食道球的收缩而附着于肠粘膜上。一般规律肠道内寄生虫排卵于肠腔内随粪便排出体外 ,从粪便中检查虫卵是最佳诊断方法。但是蛲虫的最佳诊断方法是肛边拭 ,粪便检查虫卵仅有 1 %左右 Eupolyphaga adults usually parasitize the lower part of the body cecum, colon and ileum, parasites can be free in the intestine or with the help of body front of the head, lip and esophageal ball is attached to the contraction of the intestinal mucosa. The general rule intestinal parasites ovulation in the intestine with the excretion of the body, check the eggs from the stool is the best diagnostic method. However, the best diagnosis of pinworm is the anal swab, stool examination of eggs only about 1%