A cooking appliance comprising a main body having a cavity, and a door for opening and closing the cavity, wherein the door includes: a display module disposed on a front of the door; a shielding unit disposed behind the display module, for shielding electromagnetic waves generated in the main body; and at least one camera (210, 220, 230) configured to capture at least one place among a front or a lower portion of the door, or the cavity; wherein the shielding unit comprises a shielding plate having one side rotatably coupled to the main body, and the at least one camera (210, 220, 230) includes a camera mounted on the shielding plate and disposed to capture a state of the cavity; characterized in that: the door includes a supporter detachably mounted on the shielding plate, wherein the camera disposed to capture the state of the cavity is mounted on the supporter; and wherein the supporter includes: - a body on which the camera disposed to capture the state of the cavity is mounted; - a mounting member formed to protrude from both sides of the body, and detachably mounted on a bracket of the shielding plate; and - a support member formed to protrude from upper and lower ends of the body, and coming into contact with one surface of the shielding plate to support the supporter. a display module disposed on a front of the door; a shielding unit disposed behind the display module, for shielding electromagnetic waves generated in the main body; and at least one camera (210, 220, 230) configured to capture at least one place among a front or a lower portion of the door, or the cavity; wherein the shielding unit comprises a shielding plate having one side rotatably coupled to the main body, and the at least one camera (210, 220, 230) includes a camera mounted on the shielding plate and disposed to capture a state of the cavity; characterized in that: the door includes a supporter detachably mounted on the shielding plate, wherein the camera disposed to capture the state of the cavity is mounted on the supporter; and wherein the supporter includes: - a body on which the camera disposed to capture the state of the cavity is mounted; - a mounting member formed to protrude from both sides of the body, and detachably mounted on a bracket of the shielding plate; and - a support member formed to protrude from upper and lower ends of the body, and coming into contact with one surface of the shielding plate to support the supporter. the door includes a supporter detachably mounted on the shielding plate, wherein the camera disposed to capture the state of the cavity is mounted on the supporter; and wherein the supporter includes: - a body on which the camera disposed to capture the state of the cavity is mounted; - a mounting member formed to protrude from both sides of the body, and detachably mounted on a bracket of the shielding plate; and - a support member formed to protrude from upper and lower ends of the body, and coming into contact with one surface of the shielding plate to support the supporter. - a body on which the camera disposed to capture the state of the cavity is mounted; - a mounting member formed to protrude from both sides of the body, and detachably mounted on a bracket of the shielding plate; and - a support member formed to protrude from upper and lower ends of the body, and coming into contact with one surface of the shielding plate to support the supporter.