药物灭螺仍是当前防治血吸虫病的有效措施之一。目前国内外常用杀螺药对鱼类的毒性均较大，我国每年因药物灭螺而毒死的鱼类不计其数，要求血吸虫病防治部门赔偿经济损失的纠纷各地屡有发生，严重影响血吸虫病防治工作的开展。１９８０年中国预防医学科学院寄生虫病研究所首先 Drug snail control is still one of the effective measures to prevent and treat schistosomiasis. At present, the commonly used molluscicides at home and abroad are more toxic to fish. In China, there are countless number of fish poisoned by snail for drugs each year. The disputes over compensation for economic losses caused by schistosomiasis prevention and control departments have occurred frequently and severely affected schistosomiasis Disease prevention and treatment work carried out. 1980 Chinese Academy of Preventive Medicine parasitic diseases Institute first