Volatile oils from leaves,stems and roots of Desmodium microphyllum were analyzed by GC-MS,and about 45,31 and 33 constituents were identified respectively.

• 利用气相色谱-质谱联用技术对小叶三点金根、茎和叶的挥发油化学成分进行了研究,分别鉴定出约四十五、三十一和三十三个化学成分。