A refrigerator comprising a refrigerator body comprising at least one compartment and an air supply assembly, comprising: an air duct cover plate which defines an air supply space together with a refrigerator liner and is configured to isolate the air supply space from the storage space in the compartment of the refrigerator, and a centrifugal wind wheel which is arranged in the air supply space, axially sucks air in and blows out the air to a peripherical side, wherein the air duct cover plate is provided with a plurality of air return ports for allowing the air in the storage space to enter the air supply space; and the centrifugal wind wheel abuts against the inner side of the air duct cover plate and is configured to suction air in from the rear side so as to draw the air entering the air supply space via the air return ports in from the rear side of the centrifugal wind wheel, characterized in that the air supply assembly is configured to be located on the rear side of a lower part of the compartment, and an airflow channel is arranged above the air supply assembly; an evaporator is arranged in the airflow channel, and the airflow channel is provided with an air supply port for supplying air to the storage space; and the centrifugal wind wheel is configured to enable the air to accelerate upward and flow into the airflow channel and flow to the air supply port through the evaporator, wherein the evaporator which is arranged above the centrifugal wind wheel and is configured to exchange heat with the air flowing through the evaporator, wherein the centrifugal wind wheel is configured to axially suck air in from the centrifugal wind wheel and blow out the air upward; and a part of the liner located below the evaporator is configured to bend and extend toward the air duct cover plate so as to form a water collecting bottom, and the part of the liner enables the projection of the evaporator in a vertical direction to be in the water collecting bottom. an air duct cover plate which defines an air supply space together with a refrigerator liner and is configured to isolate the air supply space from the storage space in the compartment of the refrigerator, and a centrifugal wind wheel which is arranged in the air supply space, axially sucks air in and blows out the air to a peripherical side, wherein the air duct cover plate is provided with a plurality of air return ports for allowing the air in the storage space to enter the air supply space; and the centrifugal wind wheel abuts against the inner side of the air duct cover plate and is configured to suction air in from the rear side so as to draw the air entering the air supply space via the air return ports in from the rear side of the centrifugal wind wheel, characterized in that the air supply assembly is configured to be located on the rear side of a lower part of the compartment, and an airflow channel is arranged above the air supply assembly; an evaporator is arranged in the airflow channel, and the airflow channel is provided with an air supply port for supplying air to the storage space; and the centrifugal wind wheel is configured to enable the air to accelerate upward and flow into the airflow channel and flow to the air supply port through the evaporator, wherein the evaporator which is arranged above the centrifugal wind wheel and is configured to exchange heat with the air flowing through the evaporator, wherein the centrifugal wind wheel is configured to axially suck air in from the centrifugal wind wheel and blow out the air upward; and a part of the liner located below the evaporator is configured to bend and extend toward the air duct cover plate so as to form a water collecting bottom, and the part of the liner enables the projection of the evaporator in a vertical direction to be in the water collecting bottom.