肠道蛔虫感染在学生中甚为常见。我们于 1998年 4月对本市留村镇小学生的肠道蛔虫感染情况进行了调查 ,并对粪检阳性者给予赛特斯治疗 ,对其驱虫效果进行了观察。对象与方法1　对象　本市留村镇在校 2～ 6年级 8～ 14岁小学生 140 8人 ,其中男生 75 2人 ,女生 6 5 6人。2　方法 Intestinal Ascaris infection is common among students. In April 1998, we investigated the intestinal roundworm infections of primary schoolchildren who stayed in our village and gave Cetters treatment to those who were stool-positive. Their de-worming effects were observed. Subjects and methods 1 Subjects The city left the village in the school 2 to 6 pupils aged 8 to 14 140 8 people, of which 752 were boys and 665 girls. 2 methods