The extraction and separation of total alkaloids from Wu-He Dipsacus by continuous extraction are described.Then the analysis of the quantity of alkaloids is carried out by UV method.

• 摘要采用索氏提取法对不同生长时期的五鹤续断中总生物碱进行提取并分离，探讨用紫外分光光度法测定总生物碱质量分数的方法。