The present article reports distribution of lead in roots and leaves of Liriope spacata Lour.,Glehnia littoralis F.Schmidt ex Miq. and Rehmannia glutinosa (Gaertn.) Libosch.F.

• 以麦冬、北沙参和地黄为对象,用分级离心和逐级浸取方法研究了铅在根、叶的分布及在药用部分的形态。