肠道蠕虫感染是我国学生常见病之一。为了解我市中小学生肠道蠕虫感染现状 ,我们于 2 0 0 1年 10月进行了中小学生常见肠道蠕虫感染现状调查 ,现报道如下。1　对象和方法1.1　对象　选择有代表性的城乡中小学各 2所。对 7～ 15岁 9个年龄组的在校学生 ,采用分层随机抽样方法 ,? Intestinal helminth infection is one of the common diseases of Chinese students. In order to understand the status of intestinal helminth infection in primary and secondary school students in our city, we conducted a survey on the status of common intestinal helminth infections among primary and secondary school students in October of 2001. The report is as follows. 1 Subjects and methods 1.1 Subjects There are two representative urban and rural primary and secondary schools. For students aged 9 to 15 years in the age group, a stratified random sampling method is used.