latin name：artemisia annua l. active ingredients：artemisinin testing method：hplc specifications: used part: leaf species heavy metals:＜10ppm pesticide: <2ppm total germ:＜1000cfu/g e.coli: negative salmonella|: negative p.aeruginosa: negative yeasts and molds:＜100cfu/g pharmacology function: as a highly efficient, quick and drugs, the main obstacle to the role of a red, the left time and time than chlorine resistant degrees both short, both are resistant to chlorine resistant to yongbenpin also effective. but for the immediate resumption of inter-japan resistant than chlorine traditionally high rate 20 %~ 30 %. pentamidine both combined with the application, allow resumption% 10 %. the goods are also growing role of the schistosome. apply between japan malaria and vicious malaria, especially for the rescue brain-malarial good effect. pharmacology studies on the goods within the period of direct adult mosquitoes red, and for the organization of the animals low toxicity in the body absorb pieces, widely distributed, drain faster. dianjingguancha that the goods part of the role of major obstacle to the control of membrane structure is the role of mechanisms that malaria is disrupted resistant table membrane -- mitochondria function.