Double-guide-rail staggered opening showcase

The utility model discloses a double-guide-rail staggered opening showcase, which relates to the technical field of showcases and comprises a showcase body, double rails movably connected to the showcase body, a showcase door slidably connected to the double rails and an expansion piece connecting the showcase body and the double rails, the fixed end of the expansion piece is fixed on the showcase body, and the expansion end of the expansion piece is fixedly connected with the double rails. At least two double rails are arranged in parallel, and each double rail is provided with at least one cabinet door and at least one expansion piece in a matched mode; the double rails comprise a first sliding rail and a second sliding rail which are parallel to each other. The cabinet doors on different double rails can be alternated, the double rails move to the staggered position through expansion and contraction of the expansion pieces, and the cabinet doors on the two adjacent double rails can slide to the same double