A refrigerator including a main body, a storage compartment provided in the main body and having an open front side, a storage box configured to be drawn out or put into the storage compartment and having a storage space therein, a cold air duct provided at the rear of the storage compartment and including a cold air outlet to allow cold air to be discharged into the storage space, a partition disposed in the storage box to divide the storage space into a fresh room and a vegetable room and to be movable in the left and right directions in the storage space, and a cold air adjusting member configured to be moved in the left and right directions together with the partition to adjust a size of the cold air outlet and to stay connected to the partition when the storage box is drawn out.