我国是寄生虫病严重流行的国家之一 ,特别在广大农村 ,土源性线虫一直是危害人民身体健康的重要疾病。迄今为止 ,化疗仍是控制土源性线虫感染的主要措施。为探讨控制农村社区土源性线虫感染的经济、有效化疗策略及化疗后蛔虫、钩虫和鞭虫感染率、感染度的变化规律 ,作者于 1999 Our country is one of the countries with serious epidemic of parasitic diseases. Especially in the vast rural areas, soil-borne nematodes have always been an important disease endangering people’s health. To date, chemotherapy is still the main control of soil-borne nematode infections. In order to explore the economical and effective chemotherapy strategy for controlling soil-borne nematodes infection in rural communities and the change rule of infection rate and infection rate of roundworm, hookworm and whipworm after chemotherapy,