To provide fittings to the foot of the stairs to make a second floor space as a widely open atmosphere and to constitute the foot of the stairs neatly.

The said fittings structure of the foot of the stairs A is so constituted that a double sliding door 3 is laid out to the foot 5 of the stairs 2 and that the upper part of the stairs 2 is directly connected to a space of the second floor. In that case, a room 4 adjacent to the foot 5 of the stairs 2 is laid out, the foot 5 of the stairs 2 and room 4 are faced on a passage 7 to lay out, an opening is provided to part facing on the passage 7 of the room 4, and a series of double sliding doors 3 and 6 are laid out over the foot 5 of the stairs 2 from the opening part of the room.