Silkworm Cordyceps, also known as Silkworm Chrysalis Cordyceps, is a combination of insects and bacteria artificially cultivated with spores of wild natural chrysalis strain inoculated into silkworm chrysalis, resembling the body of a silkworm with a head grown with a grass stem, with the surface of dark yellow, yellowish-brown or brownish-brown. Cordyceps contains cordycepin, cordycepic acid, SOD, etc. more than natural cordyceps, Cordyceps sinensis and Cordyceps sinensis, is a real can be comparable with wild cordyceps cordyceps cordyceps cordyceps.