A door for an appliance, comprising: a door body (211,311,411) rotatably mounted to an appliance body having a storage space; a cover (220,320,420) on a front of the door body (211,311,411), the cover (220,320,420) having a curved part (221,321,421) on one side thereof, a handle (230,330,430) in a rear of the curved part (221,321,421), the handle having a holder, cap members (250,350,450) for covering top sides and bottom sides of the cover (220,320,420), the door body (311,411), and the handle (230,330,430), wherein the handle includes: a first supporting part (232,332,432) in contact with and supported on the rear of the curved part (221,321,421) of the cover (220,320,420), and a second supporting part (233,333,433) in contact with and supported on a side of the door body (211,311,411), a first supporting rib (235,335) projected from the first supporting part (233,333) to cover an edge of the curved part (221,321) of the cover (220,320), a second supporting rib (236,336) projected from the second supporting part (233,333) to cover a side of the door body (211,311), wherein the holder is provided as a groove between the first supporting part (232,332,432) and the second supporting part (233,333,433), the holder having a shape of a groove provided in a vertical direction of the door. a door body (211,311,411) rotatably mounted to an appliance body having a storage space; a cover (220,320,420) on a front of the door body (211,311,411), the cover (220,320,420) having a curved part (221,321,421) on one side thereof, a handle (230,330,430) in a rear of the curved part (221,321,421), the handle having a holder, cap members (250,350,450) for covering top sides and bottom sides of the cover (220,320,420), the door body (311,411), and the handle (230,330,430), wherein the handle includes: a first supporting part (232,332,432) in contact with and supported on the rear of the curved part (221,321,421) of the cover (220,320,420), and a second supporting part (233,333,433) in contact with and supported on a side of the door body (211,311,411), a first supporting rib (235,335) projected from the first supporting part (233,333) to cover an edge of the curved part (221,321) of the cover (220,320), a second supporting rib (236,336) projected from the second supporting part (233,333) to cover a side of the door body (211,311), wherein the holder is provided as a groove between the first supporting part (232,332,432) and the second supporting part (233,333,433), the holder having a shape of a groove provided in a vertical direction of the door. a first supporting part (232,332,432) in contact with and supported on the rear of the curved part (221,321,421) of the cover (220,320,420), and a second supporting part (233,333,433) in contact with and supported on a side of the door body (211,311,411), a first supporting rib (235,335) projected from the first supporting part (233,333) to cover an edge of the curved part (221,321) of the cover (220,320), a second supporting rib (236,336) projected from the second supporting part (233,333) to cover a side of the door body (211,311), wherein the holder is provided as a groove between the first supporting part (232,332,432) and the second supporting part (233,333,433), the holder having a shape of a groove provided in a vertical direction of the door.