A refrigerator comprising: a cabinet having a storage chamber; a door (14a, 15b) configured to open and close the storage chamber, the door (14a, 15b) being rotatably connected to the cabinet by a hinge; a door opening device configured to open the door (14a, 15b), wherein the door opening device comprises a driving motor and a push member configured to receive power of the driving motor to move forward and backward, the push member comprises a first end portion disposed close to a front surface of the cabinet and a second end portion disposed at an opposite side of the first end portion, the cabinet comprises a cabinet sidewall disposed close to the hinge, the door comprises a door sidewall disposed close to the hinge, in a state in which the door is closed, a horizontal distance between the cabinet sidewall and the first end portion is less than a horizontal distance between the cabinet sidewall and the second end portion, or in a state in which the door is closed, a horizontal distance between the door sidewall and the first end portion is less than a horizontal distance between the door sidewall and the second end portion, characterized in that the push member further comprises: a push rack comprising a rack gear configured to receive power of the driving motor; and a rack cover rotatably connected to the push rack by a shaft while the door is opened, the rack cover being configured to contact a front surface of the cabinet or a rear surface of the door (14a, 15b). a cabinet having a storage chamber; a door (14a, 15b) configured to open and close the storage chamber, the door (14a, 15b) being rotatably connected to the cabinet by a hinge; a door opening device configured to open the door (14a, 15b), wherein the door opening device comprises a driving motor and a push member configured to receive power of the driving motor to move forward and backward, the push member comprises a first end portion disposed close to a front surface of the cabinet and a second end portion disposed at an opposite side of the first end portion, the cabinet comprises a cabinet sidewall disposed close to the hinge, the door comprises a door sidewall disposed close to the hinge, in a state in which the door is closed, a horizontal distance between the cabinet sidewall and the first end portion is less than a horizontal distance between the cabinet sidewall and the second end portion, or in a state in which the door is closed, a horizontal distance between the door sidewall and the first end portion is less than a horizontal distance between the door sidewall and the second end portion, characterized in that the push member further comprises: a push rack comprising a rack gear configured to receive power of the driving motor; and a rack cover rotatably connected to the push rack by a shaft while the door is opened, the rack cover being configured to contact a front surface of the cabinet or a rear surface of the door (14a, 15b). a push rack comprising a rack gear configured to receive power of the driving motor; and a rack cover rotatably connected to the push rack by a shaft while the door is opened, the rack cover being configured to contact a front surface of the cabinet or a rear surface of the door (14a, 15b).