A refrigerator comprising: a cabinet having a first storage compartment , a second storage compartment (5, 5', 5") under the first storage compartment and a thermally insulative separation wall configured for separating the first and second storage compartments (4, 5, 5', 5") from each other, and a first door and a second door hinged to the left side and the right side of the cabinet respectively for closing and opening the first storage compartment , wherein the second storage compartment (5, 5', 5") is also closed or opened by means of the first door and the second door , wherein the thermally insulative separation wall contains a thermal insulation material inside, and further comprising a first covering structure for covering a gap between opposing side surfaces of the first door and the second door at the first storage compartment and a second covering structure for covering a gap between opposing side surfaces of the first door and the second door at the second storage compartment , the first and second covering structures being formed separately from each other or integrally with each other, wherein, when the first door and the second door are closed, a front end face of the separation wall contacts the back sides of the first door and the second door and wherein either i) the first covering structure and/or the second covering structure are each formed by a longitudinal bar connected to the first door or the second door or ii) wherein the first covering structure and/or the second covering structure are each formed by a vertical covering wall exposed to a front end of a corresponding one of the compartments . a cabinet having a first storage compartment , a second storage compartment (5, 5', 5") under the first storage compartment and a thermally insulative separation wall configured for separating the first and second storage compartments (4, 5, 5', 5") from each other, and a first door and a second door hinged to the left side and the right side of the cabinet respectively for closing and opening the first storage compartment , wherein the second storage compartment (5, 5', 5") is also closed or opened by means of the first door and the second door , wherein the thermally insulative separation wall contains a thermal insulation material inside, and further comprising a first covering structure for covering a gap between opposing side surfaces of the first door and the second door at the first storage compartment and a second covering structure for covering a gap between opposing side surfaces of the first door and the second door at the second storage compartment , the first and second covering structures being formed separately from each other or integrally with each other, wherein, when the first door and the second door are closed, a front end face of the separation wall contacts the back sides of the first door and the second door and wherein either i) the first covering structure and/or the second covering structure are each formed by a longitudinal bar connected to the first door or the second door or ii) wherein the first covering structure and/or the second covering structure are each formed by a vertical covering wall exposed to a front end of a corresponding one of the compartments . <EOS>