A touch screen, a touch display screen and a display device are provided. The touch screen includes a first region and a second region. The first region can be bent, and the first region is in a flat state when the touch screen is in a flat state and is in a curved state when the touch screen is in a folded state. The first region includes a plurality of first touch patterns arranged in an array in a first direction and a second direction when the touch screen is in the flat state. The plurality of first touch patterns are in the same layer and adjacent first touch patterns are insulated from each other, the first direction is intersected with the second direction, and the second region is connected with the first region.