PURPOSE: To improve the sanitariness of the garbage storage in the caption by making it possible to store a container with an opened upper surface and a cooling material in its outer surface in a storage body with a built-in refrigerator, and providing a door detachably fitted to the inside of the storage, of the container so as to keep the storage inside under a predetermined temperature.

CONSTITUTION: The inside 12 of a storage body 9 is cooled down to a temperature under 0°C by a refrigerator 16. And when a door 11 is opened to store kitchen garbage 7 in a garbage storing container 13, as the door 11 is fitted with the container 13, the container 13 is drawn together with the door 11 from the storage body 9. As a result, the kitchen garbage 7 can easily be put into the container, and also the container 13 is kept cool by a cooling material 15 without rise in temperature. And the container 13 is stored in the body 9 when the door 11 is closed. Consequently, the kitchen garbage is always kept at low temperatures so as to be sanitarily disposed.