燕窝是名贵中药材，有滋补作用，始载于清代张璐著的《本草逢原》，而在这时期的《本草从新》记载了燕窝的功效，同时也记载了假燕窝的性状鉴别要点。现把真伪燕窝的鉴别简述于下。来源；雨燕科动物金丝燕（collocaclaescllentaL．）及同属多种燕类用唾液或唾液与少量羽绒等混 Bird’s Nest is a rare Chinese herbal medicine and has a nourishing effect. It was originally contained in the “Compendium of Materia Medica” in Zhangye of the Qing Dynasty. In this period, “Herbal Rejuvenation” recorded the efficacy of the bird’s nest, and also recorded the characteristics of the fake bird’s nest. The identification of authentic bird nests is briefly described below. Source: Swiftidae (collocaclaes cllenta L.) and its various genus Swallows with saliva or saliva mixed with a small amount of down.