乳香与没药同产一地区,同属橄榄科植物的干燥油胶树脂。经炮制后,两药虽在气味上有所区别,但在颜色、形状、颗粒等方面很相似,易混淆不清。为避免发生误投现象,这里介绍一种简便的鉴别方法:将乳香或没药用火燃烧成黑色残渣,取残渣1～3克与少量水同研,能形成白色乳状液者, Fragrant frankincense and myrrh produce the same region and belong to the dry oil gel resin of olive plants. After processing, although the two drugs differ in smell, they are similar in color, shape, granules, etc., and are easily confused. In order to avoid the occurrence of misadventure, here is a simple identification method: the frankincense or myrrh fire burned into a black residue, take the residue 1 to 3 grams with a small amount of water to study, can form a white emulsion,