鸡内金Gallus gallus domesticus Brisson为常用中药,具有健胃消食、涩精止遗之功能,治食欲不振、积滞腹胀、小儿疳积等症。目前在中药鸡内金中,常混有鸭内金Anas domesti-ca L.及鹅内金 Anser domestica Geese。三者的性状鉴别已见报道,本文报道其红外光谱鉴别结果。 Gallus gallus domesticus Brisson is a commonly used traditional Chinese medicine, has the function of Jianweixiaoshi, Shibuyajingzhizhi, cure loss of appetite, stagnation abdominal distension, pediatric hoarding embolism. At present, in the Chinese medicine Ji Nei Jin, there is often mixed with Yasui Neijin Anas domes-ca L. and Anser domestica Geese. The identification of the traits of the three have been reported. This article reports the infrared spectrum identification results.