小学生的卫生知识缺乏,自我保健能力差,存在着许多不卫生习惯。我县虽然从1988年开始对中小学生进行每年一次集体服药驱虫,但肠道寄生虫感染率仍高达50%。为此,在1990年～1991年,我们在部分小学开设健康教育课,以增强学生的卫生知识,改变学生的不卫生行为,期望肠道寄生虫病防治效果有所巩固。1 对象与方法1.1 选择校舍、卫生设施、环境状况、学生健康状况 Pupils lack of health knowledge, self-care ability is poor, there are many unhealthy habits. Although our county started to take collective medication for primary and middle school students from 1988 to deinsecate, the intestinal parasitic infection rate is still as high as 50%. For this reason, from 1990 to 1991, we set up health education classes in some primary schools to enhance students ’hygiene knowledge and change students’ unhealthy behavior. We hope that the effectiveness of prevention and treatment of intestinal parasitic diseases will be consolidated. 1 Subjects and methods 1.1 Select school buildings, health facilities, environmental conditions, student health