蝉蜕为昆虫纲蝉科昆虫黑蚱Cryptotymp-ana atrata Fabricius的若虫羽化后所脱落的蜕壳。主产山东、江苏、河北、河南、安徽等省。本品味甘咸性凉。入肺、肝经。具有散风热,宣肺,定痉等功效。主治外感风热,咳嗽音哑,麻疹透发不畅,风疹瘙痒,小儿惊痫,目赤翅障,疗疮肿毒,破伤风等。商品蝉蜕形似蝉而中空膜质,长约3—3.5cm、宽约2cm,初蜕者色暗带泥土,经日晒雨淋后柔软轻浮,茶褐色或黄褐色,背面环节夹 Aphid is a clam shell that has fallen off after emergence of the nymph of Cryptotymp-ana atrata Fabricius. The main production Shandong, Jiangsu, Hebei, Henan, Anhui and other provinces. The taste is sweet and salty and cool. Into the lungs, liver. With scattered wind heat, Xuanfei, Dinghao and other effects. Indications exogenous wind-heat, cough dumb dumb, measles through the poor, rubella itching, children epileptic seizures, eyes red wing barrier, treatment of sores swollen poison, tetanus and so on. The shape of the commodity is hollow and hollow, about 3-3.5cm long and about 2cm wide. The color of the first-time person is dark with dirt, soft and buoyant after the sun and rain, brown or yellow-brown, and the back links.