Professor Li graduated from Guangdong College of Traditional Chinese Medicine in 1955. He has more than 50-years experiences on Qinghaosu (artemisinin). He is the first to prove artemisinin’s curative effect on falciparum malaria and severe malaria, and contribute in qinghaosu (artemisinin) research in Project 523. He devised and researched a series of artemisinin-based combinations: dihydroartemisinin-piperaquine phosphate-primaquine combination (CV8) which was registered and produced in Vienam in 1997. It was the first-line treatment drug for malaria and given for free in Vietnam. Dihydroartemisinin-piperaquine phosphate combination, Artemisinin- piperaquine combination both have been registered and produced in China. Dihydroartemisinin-piperaquine combination was included in the 2nd edition of “Malaria treatment Guidelines? by WHO in 2010. He has published over 50 papers on malaria research and artemisinin derivatives.