Dismantled and assembled stairwell teaching mode

The utility model provides a dismantled and assembled stairwell teaching mode, include: whole stairwell teaching mode bottommost is located to the isolated footing, forms square structure, the frame post, locate each isolated footing respectively on, form the cuboid structure, the frame roof beam is located between the adjacent frame post, and even layering setting, and each layer frame roof beam constitutes frame roof beam layer, stair group, stair group locates between the adjacent frame roof beam layer, it includes originated stair board, middle stair board, end stair board, the landing board, landing girder, building ladder, the initiating terminal of originated stair board and the tail end of end stair board pass through the floor landing slab and are connected with two adjacent frame roof beam layers respectively, building ladder locates on lower floor's frame roof beam, landing girder is asymmetric to be set up between adjacent frame roof beam layer, the landing board is located on landing girder and the building ladder, middle stair board from high to low is connected in order between two landing boards, it is peripheral that the frame post is located in the wall body activity, and window form, the door body buckle formula are respectively installed in the wall body.