To provide a rice grain-storing apparatus which can store old rice grains for a long period of time (years) and further revives the taste of new rice.

In this rice grain-storing apparatus, the box of the main body 1 provided with the storage tank of which the outside and inside are covered with an insulating material, and provided with a refrigerator beneath the storage tank. The capped grain inlet is opened at the upper part of the front face, the grain outlet 5 is opened at the lower part, a grain-metering device 6 is set a little higher than the outlet and an indicator 7 of the rice grain residue in the box is also set above the outlet 5.