A foldable screen electronic device, comprising a housing, wherein a display is disposed on the housing, a cavity is formed by the housing and the display, and a middle frame , a screen chip , a screen outlet line , and a battery are disposed in the cavity, wherein a screen outlet line is a circuit board formed based on a flexible encapsulation process; a middle frame hole is provided on the middle frame , and the middle frame hole penetrates the middle frame ; the battery is disposed on a side that is of the middle frame and that is away from the display; the screen outlet line is disposed on a side that is of the middle frame and that is the side close to the display, the screen outlet line is connected to one end of the display, and a large surface of the screen outlet line is located between the display and the middle frame ; and the screen chip is disposed on the large surface of the screen outlet line , and is located between the middle frame and the large surface of the screen outlet line , wherein the large surface of the screen outlet line is part of the screen outlet line that is bent along a direction from the display to the back of the device, located between the display and the middle frame ; a protruding structure formed by the screen chip relative to the large surface of the screen outlet line is located in the middle frame hole , and a protruding height of the protruding structure is less than a depth of the middle frame hole ; characterized by further comprising a reinforcement member disposed between the screen chip and the battery; wherein the reinforcement member is fastened around the middle frame hole, and is configured to prevent the screen chip from being in contact with the battery when the screen chip sinks due to applied force; and wherein the reinforcement member comprises a bottom edge , a skirt edge , and a middle edge . a middle frame hole is provided on the middle frame , and the middle frame hole penetrates the middle frame ; the battery is disposed on a side that is of the middle frame and that is away from the display; the screen outlet line is disposed on a side that is of the middle frame and that is the side close to the display, the screen outlet line is connected to one end of the display, and a large surface of the screen outlet line is located between the display and the middle frame ; and the screen chip is disposed on the large surface of the screen outlet line , and is located between the middle frame and the large surface of the screen outlet line , wherein the large surface of the screen outlet line is part of the screen outlet line that is bent along a direction from the display to the back of the device, located between the display and the middle frame ; a protruding structure formed by the screen chip relative to the large surface of the screen outlet line is located in the middle frame hole , and a protruding height of the protruding structure is less than a depth of the middle frame hole ; characterized by further comprising a reinforcement member disposed between the screen chip and the battery; wherein the reinforcement member is fastened around the middle frame hole, and is configured to prevent the screen chip from being in contact with the battery when the screen chip sinks due to applied force; and wherein the reinforcement member comprises a bottom edge , a skirt edge , and a middle edge . <EOS>