Display screen supporting body and foldable display device

The invention relates to a display screen supporting body and a foldable display device, wherein the display screen supporting body includes at least one first magnetic bar and at least one second magnetic bar arranged at interval along the same direction. In unfolding state, adjacent first S pole and second N pole, adjacent first N pole and second S pole are attracted to each other, so that the display screen supporting body is supported to keep unfolding state. When the display screen supporting body is folded, the N pole body of the first magnetic bar and the adjacent S pole body of the second magnetic bar are attracted to each other. In unfolding state, the foldable screen supported by the display screen supporting body is a plane to display images; in folding state, the adjacent N pole body and S pole body on the display screen supporting body are attracted to each other, which facilitates storage of the foldable display screen and avoids damage to the foldable display screen caused by relative move in d