To understand the effects of extracts from Arisaema erubescens Schott against oncomelania hupensis.[Methods]Extracts were gained by sequential extractio from different organic solvents .

• 了解天南星块茎各种有机溶剂提取物的灭螺效果。[方法]不同有机溶剂的连续系统提取法获得提取物,并将提取物以水浸法用于杀螺实验。