Temporary stair for aluminum formwork construction

The utility model relates to a temporary stair for aluminum mould construction, which comprises a plurality of step columns, the front and back surfaces of the plurality of step columns are both fixedly provided with a stair surface column, the top of the right side of the stair surface column is provided with a supporting mechanism for improving the stability of the stair, and the supporting mechanism is provided with an auxiliary mechanism for assisting the supporting mechanism in use. The supporting mechanism comprises a rotating rod rotationally connected between the front side and the rear side of the top of the right side of the tread column, the front side and the rear side of the outer surface of the rotating rod are rotationally connected with movable frames, and the front end and the rear end of the rotating rod are in threaded connection with nuts; and supporting columns are fixed on the bottom surfaces, close to the right sides of the movable frames of the auxiliary mechanisms, of the same ladder