The paper reviewed the constituents and the pharmacological action of Cervi Cornu Pantotrichum,respectively.Cervi Cornu Pantotrichum are composed of amino acids,fatty acids,lipids,polypeptides,polysaccharides,polyamines,inorganic elements and other chemical compositions.They have pharmacological effects on nervous system,reproductive system,immune system,cardiovascular system and so on.The materials supplied in the paper would promote the development and use of Cervi Cornu Pantotrichum advantageously.