A refrigerator door, comprising: an outer door (50, 150, 250, 350), defining the front of the door, wherein extending portions are formed on both sides of the outer door (50, 150, 250, 350) to be bent and extend by a predetermined length, the outer door (50, 150, 250, 350) formed to have a display accommodating portion (60, 160, 260, 360) defined by depressing its front by a predetermined size; a door liner provided on a rear of the outer door (50, 150, 250, 350) to define a rear external appearance of the refrigerator door, the door liner being coupled to the extending portions of the outer door (50, 150, 250, 350), thus defining a predetermined space between the outer door (50, 150, 250, 350) and the door liner; an insulating layer defined between the door liner and the outer door (50, 150, 250, 350) a pair of cap decorations (80, 180, 280, 380, 680) provided on upper and lower portions of the outer door (50, 250, 250, 350) and door liner to define top and bottom external appearances of the refrigerator door; and a pair of door decorations (82, 182, 282, 382, 682) coupled to both sides of the outer door (50, 150, 250, 350) and door liner to define both side external appearances of the refrigerator door; a display portion (70, 170, 270, 370) inserted into the display accommodating portion (60, 160, 260, 360) and a front decoration (90, 190, 290, 390, 690) formed of a single sheet of transparent plate formed of a plastic member or a glass member, and positioned in front of the outer door (50, 150, 250, 350) to define the front of the refrigerator door, wherein the display portion (70, 170, 270, 370) includes a display section (74, 274, 374) for showing an operating condition of a refrigerator and an input section for receiving a user's command, wherein a rear of the front decoration (90, 190, 290, 390, 690) is colored with a color, and wherein the front decoration has a transparent window (92, 192, 292, 392, 692) which is in contact with the display section (74, 274, 374) for making it possible to observe the display portion (70, 170, 270, 370), and an input mark printed portion in contact with the input section. an outer door (50, 150, 250, 350), defining the front of the door, wherein extending portions are formed on both sides of the outer door (50, 150, 250, 350) to be bent and extend by a predetermined length, the outer door (50, 150, 250, 350) formed to have a display accommodating portion (60, 160, 260, 360) defined by depressing its front by a predetermined size; a door liner provided on a rear of the outer door (50, 150, 250, 350) to define a rear external appearance of the refrigerator door, the door liner being coupled to the extending portions of the outer door (50, 150, 250, 350), thus defining a predetermined space between the outer door (50, 150, 250, 350) and the door liner; an insulating layer defined between the door liner and the outer door (50, 150, 250, 350) a pair of cap decorations (80, 180, 280, 380, 680) provided on upper and lower portions of the outer door (50, 250, 250, 350) and door liner to define top and bottom external appearances of the refrigerator door; and a pair of door decorations (82, 182, 282, 382, 682) coupled to both sides of the outer door (50, 150, 250, 350) and door liner to define both side external appearances of the refrigerator door; a display portion (70, 170, 270, 370) inserted into the display accommodating portion (60, 160, 260, 360) and a front decoration (90, 190, 290, 390, 690) formed of a single sheet of transparent plate formed of a plastic member or a glass member, and positioned in front of the outer door (50, 150, 250, 350) to define the front of the refrigerator door, wherein the display portion (70, 170, 270, 370) includes a display section (74, 274, 374) for showing an operating condition of a refrigerator and an input section for receiving a user's command, wherein a rear of the front decoration (90, 190, 290, 390, 690) is colored with a color, and wherein the front decoration has a transparent window (92, 192, 292, 392, 692) which is in contact with the display section (74, 274, 374) for making it possible to observe the display portion (70, 170, 270, 370), and an input mark printed portion in contact with the input section.