The invention discloses a storage case with an open door apparatus in the case while a storage space is not reduced. A front horizontal frame (23a) between an interval freezing compartment (3) and a small freezing compartment (5) is mounted at a front opening part of a refrigerator main body (1). Because the rear space of the front horizontal frame (23a) is a space which can not store food, the open door apparatus (22) for opening the door of the freezing compartment (3) is arranged in the space.