合欢皮为豆科植物合欢 Albizia julibrissin Durazz.的干燥树皮 ,具有解郁安神、活血消肿之功效 [1 ] 。有关其习用品和混伪品的报道 [2 ,3]较少见 ,且以性状为主。最近笔者在工作中发现一种伪品 ,来源尚不清楚 ,性状特征与正品较为相似。为正确鉴定 ,现将二者主要区别点比较如 Albizia julibrissin Durazz. is a dried bark of the leguminous plant Albizia julibrissin Durazz. It has the functions of easing depression, calming blood, and reducing blood circulation. [1] Reports of their habits and counterfeits [2, 3] are less common and dominated by traits. Recently, the author found a counterfeit product in the work, the source is not clear, and the characteristics of the product are similar to the authentic product. For correct identification, the main differences between the two are now compared.