小花棘豆,又名醉马草,为豆科棘豆属多年生草本植物。主要分布于我国西北省区。本研究所用者系采自南疆库车地区。学名为Oxytropis glabra DC。据记载,本植物有毒,并有麻醉、镇静和止痛的功效,用于治疗关节痛、牙痛、神经衰弱等症。本植物的化学成分及药理作用研究均未见报道。国外仅对同科属植物Oxytropis muricata等的化学成分,作了一 Oxytropis sinica, also known as drunk horse grass, is a perennial herb belonging to the family Otricle. Mainly distributed in China’s northwest provinces. The researchers in this study were collected from the Kuqa area in southern Xinjiang. The scientific name is Oxytropis glabra DC. According to records, the plant is toxic and has the effects of anesthesia, sedation and analgesia. It is used to treat arthralgia, toothache and neurasthenia. The chemical composition and pharmacological effects of the plant have not been reported. In foreign countries, only chemical components such as Oxytropis muricata have been