为了解我市农村学生杨道奇生虫感染现状，我们于1991年随机抽取3乡5所学校1129名学生进行肠道奇生虫感染情况的调查．采用改良加藤厚徐片法检查蠕虫卵，用透明胶纸肛周拭擦法检查统虫．其中男生636名，女生493名．结果检出各种线虫感染率分别为蛔虫44．2％、统虫40．0％、约虫3 In order to understand the status quo of Yang Daoqi pests in rural areas in our city, we randomly selected 1129 students from 5 schools and 5 townships in 3 townships to investigate the gut infection. Using improved Kato Kusato method of inspection of worm eggs, with transparent adhesive tape perianal rub method to check the system worm. 636 boys and 493 girls. Results The detection rates of various nematodes were 44.2% for roundworm, 40.0% for unicellular worm,