Deformable and splittable bed sheet

The invention provides a deformable and splittable bed sheet, which comprises a bed sheet main body, wherein the bed sheet main body is represented as a U-shaped face; the bed sheet is characterized in that the bed sheet main body comprises a rectangular face which is arranged in the center and a connecting face which is connected to the left side, the right side and the bottom side of the rectangular face, wherein the top sides of the rectangular face and the connecting face are aligned, and the rectangular face and the connecting face are integrally connected by virtue of a connecting device; U-shaped side faces are connected to the outer edges of the bed sheet main body by virtue of connecting parts; a plurality of convex three-dimensional forms are designed on the surface of each U-shaped side face; and the three-dimensional forms are connected by virtue of a plurality of metal parts. The bed sheet disclosed by the invention has the beneficial effects of simple structure and convenient use; the bed sheet