Foldable lamp shade

The utility model relates to a folding lamp shade which is composed of a top ring, a bottom ring, a lamp shade and supporting sheets, wherein the upper and the lower ends of the lamp cover are respectively fixedly arranged on the top ring and the bottom ring, the supporting sheets are supported between the top ring and the bottom ring, and a plurality of inserting blocks are annularly arranged on a rod body by the top ring and the bottom ring. When the supporting sheets are inserted in the rod body, a sheet body of each of the supporting sheets is convex in the shaped of an arc on the outer side of the lamp shade. Each of the supporting sheets, which is convex in the shaped of the arc, is inward pressed to contact the outer lateral edge of the lamp shade. The top ring and the bottom ring are supported at the upper and the lower end of the lamp shade. Moreover, the supporting sheets can be simultaneously used as decorative strips of the lamp shade. In addition, a plurality of inelastic cloth strips are respectively arranged in the positions which face the closing top, the inserting connection blocks of the bottom ring in the lamp shade so that the twist of the cloth surfaces between the top ring and the bottom ring can be greatly reduced after the lamp shade is supported and spread out. The distances between every two corresponding points of the top ring and the bottom ring which are assembled to make the lamp shade vertical are caused to take the equilong inelastic cloth strips as the norm so that the top ring the bottom ring are easy to joint and form with the cloth surfaces of the lamp shade. As a result, the aims of convenient and rapid assembly and disassembly, high quality and beautiful appearance can be achieved.