PURPOSE: To provide a low temperature storage chamber which is so constituted that a cover is arranged to a drawer type container of a hotel pan, not only stored foods in the container are prevented from drying but also th operability is excellent.

CONSTITUTION: A container 13 the upper surface of which is opened is supported to a rail member 8 extending rearward from a door 3. By slidably supporting the rail member 8 by a roller 9 arranged to a heat insulating box body 2, the container 13 is drawable from a storage chamber 14. In a state that the container 13 is contained in the storage chamber 14, a cover 15 with which the opening of the container 13 is closed from above is arranged. A fixing piece 10 with which the cover 15 is disengageably brought into contact to block forward movement is arranged to the heat insulating box body 2.