A dish washer comprising: a cabinet defining a dish washing space; and a door arranged to open and close an opened front surface of the cabinet, wherein the door comprises: an outer plate comprising a metal plate, wherein the outer plate forms a front surface of the door and is bent to form at least a portion of an appearance of a peripheral surface of the door; an operating unit formed on the peripheral surface of the door and arranged to be operated by a user's touch; a Printed Circuit Board "PCB" assembly in close contact with a rear surface of the operating unit, wherein a plurality of touch sensors for detecting displacement of the operating unit are mounted on the PCB assembly; a mounting bracket fixed to an inside surface of the outer plate and having an elastic member mounting portion formed thereon; and an elastic member mounted on the mounting bracket, the elastic member arranged to press and support the PCB assembly to a rear surface of the operating unit; wherein the elastic member mounting portion comprises a mounting portion rib having a height which is less than the height of the elastic member, wherein the operating unit is formed on an upper peripheral surface of the door, wherein the elastic member comprises: a plurality of support portions, each support portion having an opening at the center thereof, the support portions each disposed on a lower side of the PCB assembly corresponding to a region between the touch sensors, and a connecting portion disposed between two adjacent support portions to connect the adjacent support portions with each other. a cabinet defining a dish washing space; and a door arranged to open and close an opened front surface of the cabinet, wherein the door comprises: an outer plate comprising a metal plate, wherein the outer plate forms a front surface of the door and is bent to form at least a portion of an appearance of a peripheral surface of the door; an operating unit formed on the peripheral surface of the door and arranged to be operated by a user's touch; a Printed Circuit Board "PCB" assembly in close contact with a rear surface of the operating unit, wherein a plurality of touch sensors for detecting displacement of the operating unit are mounted on the PCB assembly; a mounting bracket fixed to an inside surface of the outer plate and having an elastic member mounting portion formed thereon; and an elastic member mounted on the mounting bracket, the elastic member arranged to press and support the PCB assembly to a rear surface of the operating unit; wherein the elastic member mounting portion comprises a mounting portion rib having a height which is less than the height of the elastic member, wherein the operating unit is formed on an upper peripheral surface of the door, an outer plate comprising a metal plate, wherein the outer plate forms a front surface of the door and is bent to form at least a portion of an appearance of a peripheral surface of the door; an operating unit formed on the peripheral surface of the door and arranged to be operated by a user's touch; a Printed Circuit Board "PCB" assembly in close contact with a rear surface of the operating unit, wherein a plurality of touch sensors for detecting displacement of the operating unit are mounted on the PCB assembly; a mounting bracket fixed to an inside surface of the outer plate and having an elastic member mounting portion formed thereon; and an elastic member mounted on the mounting bracket, the elastic member arranged to press and support the PCB assembly to a rear surface of the operating unit; wherein the elastic member mounting portion comprises a mounting portion rib having a height which is less than the height of the elastic member, wherein the operating unit is formed on an upper peripheral surface of the door, wherein the elastic member comprises: a plurality of support portions, each support portion having an opening at the center thereof, the support portions each disposed on a lower side of the PCB assembly corresponding to a region between the touch sensors, and a connecting portion disposed between two adjacent support portions to connect the adjacent support portions with each other. a plurality of support portions, each support portion having an opening at the center thereof, the support portions each disposed on a lower side of the PCB assembly corresponding to a region between the touch sensors, and a connecting portion disposed between two adjacent support portions to connect the adjacent support portions with each other.