Malaria is still being one of the health problem in the world, because the morbidity and mortality number of this disease are still high, included Indonesia. Indragiri Hilir district had one of the area with the highest Annual Malaria Incidence (AMI) 8,73 and Annual Parasite Incidence (API) 0,25. The purpose of this study is to describe malaria cases in Indragiri Hilir district of Riau Province…