Artemisinin (Arteannuin) can directly kill malarial parasites during the red phase, but without effect during tissure phasw. It is faster than chloramines in curing tertian malaria and malignant average protozoon's turning negative, without side effect of poison in clinical treatment. It especially shows the advantages in curing malignant malaria and cerebral malaria in anti-chloroquine protozoon saplings areas.
