Blueberry muffin rashes occur in various diseases including TORCH syndrome, transfusion reactions, leukemia, hereditary spherocytosis and neonatal sepsis. We report a case of congenital CMV(cytomegalovirus) infection showing blueberry muffin skin lesions which revealed dermal erythropoiesis. Even though these cutaneous findings were nonspecific, they could provide a valuable clue in approach the congenital viral infection in the perinatal period.