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 . <EOS>