An installation support for a display screen, comprising: at least two carbon-fiber vertical frames , and two aluminum-alloy horizontal frames , each of the carbon-fiber vertical frames being spaced in sequence, one end of each carbon-fiber vertical frame being connected to one of the aluminum-alloy horizontal frames , and the other end of each carbon-fiber vertical frame being connected to the other aluminum-alloy horizontal frame , each of the aluminum-alloy horizontal frames comprises a first frame , a second frame , a third frame , a first supporting beam and a second supporting beam , one end of the first frame being connected to one end of the second frame , the other end of the first frame being connected to the third frame , an end of the second frame away from the first frame being connected to one carbon-fiber vertical frame , an end of the third frame away from the first frame being connected to another carbon-fiber vertical frame , an end of the first supporting beam being connected to a position of the first frame away from the second frame , the other end of the first supporting beam being connected to a position of the second frame away from the first frame , an end of the second supporting beam being connected to a position of the first frame away from the third frame , and the other end of the second supporting beam being connected to a position of the third frame away from the first frame , characterized in that the first supporting beam is arranged curved, bending towards a joint of the first frame and the second frame , the second supporting beam is arranged curved, bending towards a joint of the first frame and the third frame , the first supporting beam and the second supporting beam are interconnected through a horizontal beam at bending curves of the first supporting beam and the second supporting beam . at least two carbon-fiber vertical frames , and two aluminum-alloy horizontal frames , each of the carbon-fiber vertical frames being spaced in sequence, one end of each carbon-fiber vertical frame being connected to one of the aluminum-alloy horizontal frames , and the other end of each carbon-fiber vertical frame being connected to the other aluminum-alloy horizontal frame , each of the aluminum-alloy horizontal frames comprises a first frame , a second frame , a third frame , a first supporting beam and a second supporting beam , one end of the first frame being connected to one end of the second frame , the other end of the first frame being connected to the third frame , an end of the second frame away from the first frame being connected to one carbon-fiber vertical frame , an end of the third frame away from the first frame being connected to another carbon-fiber vertical frame , an end of the first supporting beam being connected to a position of the first frame away from the second frame , the other end of the first supporting beam being connected to a position of the second frame away from the first frame , an end of the second supporting beam being connected to a position of the first frame away from the third frame , and the other end of the second supporting beam being connected to a position of the third frame away from the first frame , characterized in that the first supporting beam is arranged curved, bending towards a joint of the first frame and the second frame , the second supporting beam is arranged curved, bending towards a joint of the first frame and the third frame , the first supporting beam and the second supporting beam are interconnected through a horizontal beam at bending curves of the first supporting beam and the second supporting beam . <EOS>