血吸虫病是一种人畜共患的疾病。许多种淡水螺在这一疾病传播途径中充当中间宿主的角色。消灭淡水螺是控制血吸虫病行之有效的途径。含皂甙的植物曾被报道有抗螺活性，因此作者对含皂甙的棉叶麻疯树Jattophagossypiifolia及王不留行VaccariaPyramidata进行了抗螺活性及其对非螺 Schistosomiasis is a zoonotic disease. Many species of freshwater snails act as intermediate hosts in this disease transmission pathway. The elimination of freshwater snails is an effective way to control schistosomiasis. Since the plants containing saponins have been reported to have anti-spiro activity, the authors performed anti-spiral activity against Jatropha curcas Jattophagos sypiifolia and Vaccaria Pyramidata containing saponin