A door of a refrigerator, comprising: a panel having a main body that constitutes a front end of the door, a left side and a right side; a display screen disposed behind the panel and having, corresponding to the structure of the panel, a main body, a left side and a right side; a main control board for controlling the display screen; a bracket disposed behind the display screen to provide support for the display screen; an inner door lining disposed behind the bracket to provide support for the bracket; an outer door lining disposed behind the inner door lining to constitute a rear end of the door; and a trim strip group, with a foaming space being confined among the inner door lining, the outer door lining and the trim strip group, wherein the bracket has a main body, a left side and a right side; the main body of the bracket is disposed corresponding to the main body of the display screen; the left side of the bracket is disposed corresponding to the left side of the display screen; and the right side of the bracket is disposed corresponding to the right side of the display screen, characterized in that a plurality of support ribs are formed on the inner side of the main body of the bracket, wherein the support ribs comprise horizontal support ribs and vertical support ribs, and the horizontal support ribs are provided with a plurality of ventilation openings; and the trim strip group comprises an upper trim strip constituting an upper end of the door and a lower trim strip constituting a lower end of the door, the upper trim strip and the lower trim strip are provided with a plurality of ventilation holes, and the plurality of ventilation openings and the plurality of ventilation holes realize heat dissipation of the display screen. a panel having a main body that constitutes a front end of the door, a left side and a right side; a display screen disposed behind the panel and having, corresponding to the structure of the panel, a main body, a left side and a right side; a main control board for controlling the display screen; a bracket disposed behind the display screen to provide support for the display screen; an inner door lining disposed behind the bracket to provide support for the bracket; an outer door lining disposed behind the inner door lining to constitute a rear end of the door; and a trim strip group, with a foaming space being confined among the inner door lining, the outer door lining and the trim strip group, wherein the bracket has a main body, a left side and a right side; the main body of the bracket is disposed corresponding to the main body of the display screen; the left side of the bracket is disposed corresponding to the left side of the display screen; and the right side of the bracket is disposed corresponding to the right side of the display screen, characterized in that a plurality of support ribs are formed on the inner side of the main body of the bracket, wherein the support ribs comprise horizontal support ribs and vertical support ribs, and the horizontal support ribs are provided with a plurality of ventilation openings; and the trim strip group comprises an upper trim strip constituting an upper end of the door and a lower trim strip constituting a lower end of the door, the upper trim strip and the lower trim strip are provided with a plurality of ventilation holes, and the plurality of ventilation openings and the plurality of ventilation holes realize heat dissipation of the display screen.