东方毛圆线虫是一种人畜共有的线虫,给畜牧业带来严重危害,同时对人亦有影响。过去我国四川省有的地区人的感染高达50％左右,严重危害劳动人民健康。1960年山西大同曾有过发现,我省尚未见报告。近几年据反映昌黎一带有东方毛圆线虫的感染。为了贯彻预防为主的方针,由省、地、县卫生防疫站和河北医学院寄生虫学教研组共同组成调查小组,对该地区人体肠道蠕虫作了初步调查。对昌黎县大蒲河公社小学生和社员进行了抽样检查,共检查242人。经用饱和盐水漂浮法一次涂片检查结果为:蛔虫79.75％,鞭虫 Trichinella is a nematode common to humans and animals, which brings serious harm to livestock husbandry and also affects people. In the past, infection in some areas of Sichuan Province was as high as 50%, seriously damaging the health of working people. Datong, Shanxi Province in 1960 had been found, our province has not yet seen the report. In recent years, it is reported that there is an infection of Oriental Trichoplusia in Changli. In order to implement the principle of prevention, a survey team composed of provincial, prefectural and county health and epidemic prevention stations and the Parasitology Teaching and Research Section of Hebei Medical College made a preliminary investigation of human intestinal worms in this area. A total of 242 people were inspected for pupils and members of the Da Puhe Commune in Changli County. After using saturated saline floating smear test results as follows: roundworm 79.75%, whipworm