Refrigerating and freezing device

A refrigerating and freezing device, comprising a cabinet, wherein an aging device for aging a to-be-aged material therein is provided in the cabinet,

• the aging device comprises an outer housing and an inner housing provided in the outer housing, and an aging chamber for accommodating the to-be-aged material is defined in the inner housing;
• two transverse sides of the inner housing and two transverse sides of the outer housing are arranged at intervals to form two longitudinally extending air supply channels, and the two longitudinally extending air supply channels are communicated with the aging chamber through air supply ports formed in two transverse side plates of the inner housing;
• and
• the aging device further comprises a circulating fan for driving air flow in the two longitudinally extending air supply channels to flow into the aging chamber through the air supply ports;
• wherein the outer housing is configured as a cylinder with a front opening;
• and
• the inner housing is configured as a drawer with an open top, and the inner housing is provided in the outer housing in a pushable-and-pullable mode.