A female infant was born following 38 weeks gestation and normal delivery with a birth weight of 3,150g. On the second day of life, a large mass was palpated in the left quadrant. Surgery was performed on the llth day and a 6.5×4.5×4.5cm polycystic tumor in the left adrenal area was removed. Maximum thickness of the cyst wall was 15mm and the content was dark blood. Pathologic diagnosis was neurblastoma with large hemorragic cysts. The patient did well after surgery and had no evidence of recurrent tumor during 1 year follow up.