１９９３～１９９５年对开平市３４０所中、小学校、幼儿园的学生每年进行１次阿苯达唑驱虫糖集体治疗，共３１５４０１人次。每次年服药率为９４．５％～９６．４％。抽样检查证明：１９９５年学生肠道线虫总感染率由治疗前４４．７％降至１１．９％，下降７３．４％。其中蛔虫由３４．０％降至８．９％，钩虫由５．９％降至０．８％，蛲虫由３．６％降至０．４％，鞭虫由３．８％降至１．７％，社会效益和经济效益显著。 From 1993 to 1995, 340 batches of albendazole anthelmintics were treated annually in 340 primary and secondary schools and kindergartens in Kaiping City. The annual medication rate was 94.5% ~ 96.4%. Sampling checks showed that in 1995 the total infection rate of intestinal nematode students decreased from 44.7% before treatment to 11.9%, down 73.4%. Roundworms decreased from 34.0% to 8.9%, hookworms from 5.9% to 0.8%, pinworm from 3.6% to 0.4% and whipworm from 3.8% to 1.7%, social and economic benefits significantly.