A cooking appliance, comprising: a housing having a cooking space defined by a bottom surface, a rear surface and two lateral surfaces (120, 130) of the housing, the housing having an open upper surface and an open front surface; a door for opening and closing the open upper surface and the open front surface of the housing; a cabinet covering the rear surface and the two lateral surfaces (120, 130) of the housing while being spaced therefrom, the cabinet including a front surface covering part covering a front end of each of the two lateral surfaces (120, 130); characterized by a cabinet fixing assembly configured to limit a position of the front surface covering part in a front-to-rear direction and to couple the cabinet to the housing, wherein the cabinet fixing assembly comprises: a fastening bracket coupled to the cabinet, wherein at least a portion of the fastening bracket extends parallel to the bottom surface; and a fastening member coupling the fastening bracket to the bottom surface, wherein the cabinet further comprises a lower end extension part that extends rearward from a lower end of the front surface covering part, and the fastening bracket is coupled to the lower end extension part, wherein a bracket fitting hole is formed to penetrate through the lower end extension part, and the fastening bracket is coupled to the lower end extension part by passing through the bracket fitting hole in vertical direction, and wherein the fastening bracket comprises: a fastening surface part extending in parallel to the bottom surface and coupled to the bottom surface by the fastening member; and a fitting part that extends from the fastening surface part through the bracket fitting hole in the lower end extension part of the cabinet. a housing having a cooking space defined by a bottom surface, a rear surface and two lateral surfaces (120, 130) of the housing, the housing having an open upper surface and an open front surface; a door for opening and closing the open upper surface and the open front surface of the housing; a cabinet covering the rear surface and the two lateral surfaces (120, 130) of the housing while being spaced therefrom, the cabinet including a front surface covering part covering a front end of each of the two lateral surfaces (120, 130); characterized by a cabinet fixing assembly configured to limit a position of the front surface covering part in a front-to-rear direction and to couple the cabinet to the housing, wherein the cabinet fixing assembly comprises: a fastening bracket coupled to the cabinet, wherein at least a portion of the fastening bracket extends parallel to the bottom surface; and a fastening member coupling the fastening bracket to the bottom surface, wherein the cabinet further comprises a lower end extension part that extends rearward from a lower end of the front surface covering part, and the fastening bracket is coupled to the lower end extension part, wherein a bracket fitting hole is formed to penetrate through the lower end extension part, and the fastening bracket is coupled to the lower end extension part by passing through the bracket fitting hole in vertical direction, and wherein the fastening bracket comprises: a fastening surface part extending in parallel to the bottom surface and coupled to the bottom surface by the fastening member; and a fitting part that extends from the fastening surface part through the bracket fitting hole in the lower end extension part of the cabinet. a fastening bracket coupled to the cabinet, wherein at least a portion of the fastening bracket extends parallel to the bottom surface; and a fastening member coupling the fastening bracket to the bottom surface, wherein the cabinet further comprises a lower end extension part that extends rearward from a lower end of the front surface covering part, and the fastening bracket is coupled to the lower end extension part, wherein a bracket fitting hole is formed to penetrate through the lower end extension part, and the fastening bracket is coupled to the lower end extension part by passing through the bracket fitting hole in vertical direction, and wherein the fastening bracket comprises: a fastening surface part extending in parallel to the bottom surface and coupled to the bottom surface by the fastening member; and a fitting part that extends from the fastening surface part through the bracket fitting hole in the lower end extension part of the cabinet. a fastening surface part extending in parallel to the bottom surface and coupled to the bottom surface by the fastening member; and a fitting part that extends from the fastening surface part through the bracket fitting hole in the lower end extension part of the cabinet.