Cordyceps sinensis is a combination of Cordyceps sinensis fruitbody and larva body of Cordyceps sinensis ( Berk. ) Sacc. As a rare and valuable herb in Chinese medicine, it has been medicinally used for lung and kidney tonic and replenishing essence. Cordyceps mainly consists of polysac-charides, nucleosides and sterols, and has a variety of pharmacological activities. Cordyceps has attracted much attention of the scholars at home and abroad because of the great value to human health. Here we summarize the research advances on the pharmacological effect of cordycepsin in recent years, and look...