目的了解宁海县农村居民土源性线虫感染现状,为制定防治措施提供依据。方法按不同地理位置选择沿海、山区和城郊各1个村作为调查点,3周岁以上人群用改良加藤厚涂片法检查土源性线虫虫卵并计算感染度;3~12岁儿童增加透明胶纸肛拭法检查蛲虫卵。结果共调查1 518人,受检率为91.01%,土源性线虫感染率为5.47%。山区土源性线虫感染率高于沿海和城郊。蛲虫感染率为5.41%,10岁以下儿童蛲虫感染率高达6.54%;钩虫感染率为5.08%,钩虫感染从40岁~组开始随年龄增大呈上升趋势(P<0.05)。结论农村居民感染者以蛲虫、钩虫单虫种感染为主。加强健康教育、积极推进改水改厕,加强感染者药物驱虫治疗是土源性线虫病防治的工作重点。 Objective To understand the current situation of soil-borne nematode infection among rural residents in Ninghai County and provide evidence for prevention and control measures. Methods According to different geographical locations, 1 village along the coast, mountains and suburbs were selected as the survey sites. The population of over 3 years old was examined by modified Kato thick smear method to calculate the infectivity of soil-borne nematode eggs; Paper anal swab method to check the worm eggs. Results A total of 1 518 people were surveyed, the detection rate was 91.01%, and the infection rate of soil-borne nematodes was 5.47%. In mountainous areas, the infection rate of soil-borne nematodes is higher than that of coastal and suburban areas. The infection rate of pinworm was 5.41%, and the infection rate of pinworm in children under 10 years old was 6.54%. The infection rate of hookworm was 5.08%. The infection rate of hookworm increased from 40 years old to age (P <0.05). Conclusion Infection in rural residents with pinworm, hookworm single insect-based infection. Strengthen health education, and actively promote the water and toilet, strengthen the treatment of infectors drug de-worming is the focus of prevention and treatment of soil-borne nematodes.