益母草来源于唇形科植物益母草 (ＬｅｏｎｕｒｕｓｊａｐｏｎｉｃｕｓＨｏｕｔｔ)的新鲜或干燥地上部分 ,具有活血调经 ,利尿消肿的功效 ,《中国药典》未注明有毒 ,说明益母草毒性较低 ,在正常范围内服用 ,不易引起中毒。但是老百姓常用益母草单味药煎服治疗痛经、尿少浮肿、痈 Motherwort is derived from the fresh or dry aerial part of Leonurus japonicus Houtt. It has the effect of activating blood circulation and diuretic swelling. The Chinese Pharmacopoeia does not indicate toxic, indicating that the motherwort has low toxicity and is not taken within the normal range. Causes poisoning. However, common people use Motherwort Herbal Decoction to treat dysmenorrhea, urinary edema, and phlegm.