An ultralow temperature aging chamber is capable of maintaining the temperature of an aging space of a storage room at -4 - 0°C, and circulating the internal air of the storage room by using an internal air circulation fan. The present invention includes: a body including a storage room storing an aging object a door combined with a side of the body to open or close the storage room a cooling part cooling the storage room and an internal air circulation fan circulating the internal air of the storage room.COPYRIGHT KIPO 2017초저온 숙성고는 저장실의 숙성 공간의 온도를 -4 ~ 0 ℃의 범위로 유지시키고, 내부공기 순환팬을 이용하여 저장실의 내부 공기를 순환시킨다.
