Cantharis is the name of the insects which belongs to Coleoptera Meloidae,All of its Adult and larval contains Cantharidin. It is a kind secondary metabolites of hemiterpene which is a defense against attack in the Meloidae insects.Cantharidin get a high attention in recent years because of its dramaticaleffect on many kinds of cancer. “Chinese pharmacopoeia”indicated that Mylabris phalerata Pallas and Mylabris cichorii Linnaeus are pharmaceutical cantharis insects.With the increasing of Medicinal demand, b...