This slid shows that the active ingredient of Artemisia Capsule, Artesunate, has very low toxicity and high therapeutic index. It is a very safe remedy that can be quickly metabolized and has no accumulation in the body. Its cure rate for malaria is almost 100%. We borrowed it for treating babesiosis, a malaria like protozoa and it also good for anti-virus, can suppress cytomegalovirus (CMV), herpes, and Epstein-Barr virus (EBV). Its wild spectrum anti-cancer effects have been used for helping cancer survivors to eradicate minimum residual cancer cells after oncotherapy. Its anti-autoimmune effects can be used for treating LD’s autoimmune complications, such as Hashimoto, arthralgia, vasculitis, and so on.