紫荆皮与土荆皮常不易分清,混淆使用。两者功效不同,且土荆皮有毒,为保证临床用药安全有效,今对它们比较鉴别如下: 紫荆皮为木兰科植物南五味子的干燥根 Bauhinia skin and earthworm skin often difficult to distinguish, confused use. The efficacy of the two is different, and the earthworm skin is toxic. In order to ensure the safe and effective clinical use of drugs, the current identification of them is as follows: Bauhinia skin is the dry root of Magnoliaceae plants south Schisandra.