A refrigerator has a water supply tank for storing water for ice making, a water cleaning filter is provided in the water supply tank, a photocatalyst is included in the water cleaning filter, and a light emitting means for emitting light exciting the photocatalyst is provided in the water cleaning filter neighborhood. The refrigerator of the present invention has a water supply tank for storing water for ice making, and a water cleaning filter provided in the water supply tank. It is characterized in that the water cleaning filter includes photocatalyst, and a light emitting means for emitting light exciting the photocatalyst is provided in the water cleaning filter neighborhood. |