Background: Thalassemia is hemolytic anemia caused by disruption of hemoglobin formation in erythrocytes. The percentage of carriers alpha thalassemia Indonesia is estimated to be around 1-10% and beta-thalassemia is 3.7%, with the spread in Java of 3.4%, Palembang 7%, and in Makassar 8% of the total population of Indonesia. By increasing the awareness of medical students on the prevention of t…