Stair template for building construction

The utility model relates to the technical field of stair formworks, in particular to a stair formwork for building construction, which comprises a stair tread, a guide mechanism is fixedly connected to the upper right portion of the stair tread, a lead screw is arranged on the upper right portion of the guide mechanism, an auxiliary mechanism is in threaded connection with the outer surface of the lead screw, and a sliding block is slidably connected to the upper left portion of the guide mechanism. A clamping groove is formed in the upper end of the sliding block, a buffering mechanism is arranged on the lower right portion of the front end of the stair tread, and anti-skid pads are fixedly connected to the front portion and the rear portion of the lower end of the stair tread. According to the stair formwork for building construction, the guide mechanism, the lead screw, the auxiliary mechanism, the sliding block and the clamping groove are arranged, so that the function of assisting in carrying heavy obje