A refrigerator includes storage chambers to store food items, and a touchscreen panel displaying a food management picture to manage the food items stored in the storage chambers, and when food addition instructions are input by the user, the touchscreen panel displays a food addition picture to add food items to be stored in the storage chamber. The refrigerator provides the food management picture through the touchscreen panel so as to easily detect storage positions, storage periods, and fresh storage periods of food items stored in the refrigerator, thus effectively managing the stored food items.