本文作者在集安县乡村初中、小学和幼儿园调查了501人,蛔虫感染率为79.2％,其他尚有鞭虫、蛲虫、钩虫、东方毛圆线虫、猪肉绦虫和溶组织内阿米巴,其中尚有2.4％受检者同时感染两种以上肠道寄生虫。提出了乡村儿少肠道寄生虫流行因素和防治原则,并比较了饱和盐水浮聚法在粪检中提高检出率的优点。 The authors investigated 501 people in primary and middle schools, primary schools and kindergartens in Ji’an County, with a roundworm infection rate of 79.2%. Other species were whipworm, pinworm, hookworm, Trichinella spiralis, pork tapeworm and Entamoeba histolytica There are still 2.4% of subjects infected with more than two intestinal parasites. The epidemic factors and prevention and cure principles of intestinal parasites in rural children and small intestines were put forward. The advantages of the saturated brine flooding method in improving the detection rate were also compared.