Temporary stair

The utility model belongs to the technical field of building construction, and discloses a temporary stair which comprises a stair body and a stair frame. The stair body is configured to be obliquely connected between the upper-layer structural floor and the lower-layer structural floor. The stair frame comprises a bottom frame, a top frame and stand columns, the bottom frame and the top frame are arranged in parallel at intervals, the stand columns are connected between the bottom frame and the top frame, the bottom of the stair body is connected to one side of the bottom frame, and the top of the stair body is connected to the stand columns connected to the other side of the bottom frame. The length of the bottom frame is adjustable, and the bottom frame can be erected on structural floor slabs on the two sides of a lower-layer stair opening. According to the temporary staircase, constructors can move up and down between floors, meanwhile, the shear wall of the staircase is supported, and the construction e