Fabricated stair structure

The utility model relates to an assembly type staircase structure which comprises a slide and a staircase, a containing groove matched with the staircase is formed in the slide, a fence device is arranged on the staircase, a supporting device is arranged below the staircase, the fence device comprises a first fence and a second fence, the first fence is arranged on the upper surface of the side, away from the slide, of the staircase, and the second fence is arranged on the upper surface of the side, away from the slide, of the staircase. One end of the second fence is rotatably connected with the first fence, a fixing seat is arranged on the first fence, a first inserting hole is formed in the fixing seat, and a second inserting hole matched with the first inserting hole is formed in the second fence. And the first moving wheels and the second moving wheels are arranged below the staircase, so that the staircase is in contact with and supported by the ground conveniently, and the staircase is prevented from b