Abstract: A lampshade formed by a plurality of rings comprises an upper ring, a plurality of upper section unit rings, a middle ring, a plurality of lower section unit rings; and a lower ring, which are arranged sequentially from an upper end to an lower end. A plurality of hooked rings are extended from each of the upper section unit rings. The upper section unit rings are serially connected by using chains to pass through the hooked rings. Two ends of the chain are locked to the upper ring and the middle ring. The lower section unit rings are arranged with a way like that of the upper section unit ring. By above structure, the ring structure is foldable so that the rings are overlapped and thus the whole lampshade has a smaller volume so that it can be stored and transferred easily and conveniently.