茅苍术的起霜与苍术的发霉从性状上往往难以鉴别,笔者发现用理化方法鉴别简便易行。方法:取正丁醇少许放入小烧怀中(以能浸没药材为度),用镊子镊取苍术饮片放入正丁醇液中,随即取出,稍许,正丁 The bloom of Atractylodes lancea and the mildew of Atractylodes lancea are often difficult to identify from the traits. The author found that the physical and chemical methods for identification are simple and easy to implement. Method: Take n-butanol a little into a small burning arms (in order to submerge medicinal herbs for degree), and use tweezers to take Cangzhu Decoction pieces into n-butanol solution, and then remove it.