A refrigerator comprising: a main body provided with storage chambers (111F, 111R); doors to open and close the storage chambers (111F, 111R); upper hinge modules to enable one side of the upper end of each door to be rotatably installed on the main body; and lower hinge modules to enable one side of the lower end of each door to be rotatably installed on the main body, wherein: the main body includes a main frame integrally forming a lower surface and both side surfaces of the main body; each lower hinge module includes: a lower hinge bracket comprising a rear end, a front end and a bended portion connecting both ends; a leg; and a lower hinge disposed at a front end of the lower hinge bracket to rotatably support the lower end of each door; characterized by an elevating device vertically moving the lower hinge to move each door in the vertical direction; stoppers disposed facing the front ends of the lower hinge brackets to limit a rotation angle of each door are disposed at the lower ends of the doors; and a lower reinforcing frame installed on the inner lower surface of the main frame to reinforce a portion of the main frame where the lower hinge modules are installed to stably install the lower hinge modules on the lower surface of the main frame, wherein the bended portion of the lower hinge bracket faces a front edge of the lower surface of the main frame, the rear end of the lower hinge bracket extends rearward from the bended portion and is installed on the lower surface of the main frame, and the front end of the lower hinge bracket extends forward from the bended portion to be protruded forward from the main body, the front end of the lower hinge bracket is lower from the ground than the rear end of the lower hinge bracket, wherein the leg is disposed under the lower hinge bracket and coupled to the rear end of the lower hinge bracket to allow the leg to be placed under the main body and therefore for the main body to rest on the ground. a main body provided with storage chambers (111F, 111R); doors to open and close the storage chambers (111F, 111R); upper hinge modules to enable one side of the upper end of each door to be rotatably installed on the main body; and lower hinge modules to enable one side of the lower end of each door to be rotatably installed on the main body, wherein: the main body includes a main frame integrally forming a lower surface and both side surfaces of the main body; each lower hinge module includes: a lower hinge bracket comprising a rear end, a front end and a bended portion connecting both ends; a leg; and a lower hinge disposed at a front end of the lower hinge bracket to rotatably support the lower end of each door; characterized by an elevating device vertically moving the lower hinge to move each door in the vertical direction; stoppers disposed facing the front ends of the lower hinge brackets to limit a rotation angle of each door are disposed at the lower ends of the doors; and a lower reinforcing frame installed on the inner lower surface of the main frame to reinforce a portion of the main frame where the lower hinge modules are installed to stably install the lower hinge modules on the lower surface of the main frame, wherein the bended portion of the lower hinge bracket faces a front edge of the lower surface of the main frame, the rear end of the lower hinge bracket extends rearward from the bended portion and is installed on the lower surface of the main frame, and the front end of the lower hinge bracket extends forward from the bended portion to be protruded forward from the main body, the main body includes a main frame integrally forming a lower surface and both side surfaces of the main body; each lower hinge module includes: a lower hinge bracket comprising a rear end, a front end and a bended portion connecting both ends; a leg; and a lower hinge disposed at a front end of the lower hinge bracket to rotatably support the lower end of each door; a lower hinge bracket comprising a rear end, a front end and a bended portion connecting both ends; a leg; and a lower hinge disposed at a front end of the lower hinge bracket to rotatably support the lower end of each door; characterized by an elevating device vertically moving the lower hinge to move each door in the vertical direction; stoppers disposed facing the front ends of the lower hinge brackets to limit a rotation angle of each door are disposed at the lower ends of the doors; and a lower reinforcing frame installed on the inner lower surface of the main frame to reinforce a portion of the main frame where the lower hinge modules are installed to stably install the lower hinge modules on the lower surface of the main frame, wherein the bended portion of the lower hinge bracket faces a front edge of the lower surface of the main frame, the rear end of the lower hinge bracket extends rearward from the bended portion and is installed on the lower surface of the main frame, and the front end of the lower hinge bracket extends forward from the bended portion to be protruded forward from the main body, the front end of the lower hinge bracket is lower from the ground than the rear end of the lower hinge bracket, wherein the leg is disposed under the lower hinge bracket and coupled to the rear end of the lower hinge bracket to allow the leg to be placed under the main body and therefore for the main body to rest on the ground.