A refrigerator comprising: a main body having a storage compartment (20; 40) in which food is stored; a door (30; 50; 42) configured to open or close the storage compartment (20; 40); a door assembly configured to pivotally rotatably connect the door to the main body and including an electrically driven motor to provide the door with torque; an access sensing unit configured to sense access of the user in the vicinity of the refrigerator; a door opening/closing determination unit configured to determine whether or not a user wishes to open the door, the door opening/closing determination unit being driven when the access sensing unit senses access of the user in the vicinity of the refrigerator; a controller configured to drive the motor in response to a signal sensed by the door opening/closing determination unit; and wherein the door assembly includes: a hinge bracket installed to the main body; a hinge shaft coupled to the hinge bracket, the hinge shaft serving as a rotation center of the door; and the motor installed to the door to rotate the door forward or in reverse, the motor being rotated relative to the hinge shaft, and wherein the door opening/closing determination unit includes one of a voice recognizer, which is configured to determine whether the user inputs a preset user voice instruction signal, and a motion recognizer, which is configured to determine whether a user motion signal is input. a main body having a storage compartment (20; 40) in which food is stored; a door (30; 50; 42) configured to open or close the storage compartment (20; 40); a door assembly configured to pivotally rotatably connect the door to the main body and including an electrically driven motor to provide the door with torque; an access sensing unit configured to sense access of the user in the vicinity of the refrigerator; a door opening/closing determination unit configured to determine whether or not a user wishes to open the door, the door opening/closing determination unit being driven when the access sensing unit senses access of the user in the vicinity of the refrigerator; a controller configured to drive the motor in response to a signal sensed by the door opening/closing determination unit; and wherein the door assembly includes: a hinge bracket installed to the main body; a hinge shaft coupled to the hinge bracket, the hinge shaft serving as a rotation center of the door; and the motor installed to the door to rotate the door forward or in reverse, the motor being rotated relative to the hinge shaft, and wherein the door opening/closing determination unit includes one of a voice recognizer, which is configured to determine whether the user inputs a preset user voice instruction signal, and a motion recognizer, which is configured to determine whether a user motion signal is input. a hinge bracket installed to the main body; a hinge shaft coupled to the hinge bracket, the hinge shaft serving as a rotation center of the door; and the motor installed to the door to rotate the door forward or in reverse, the motor being rotated relative to the hinge shaft, and wherein the door opening/closing determination unit includes one of a voice recognizer, which is configured to determine whether the user inputs a preset user voice instruction signal, and a motion recognizer, which is configured to determine whether a user motion signal is input.