Anti-falling device for building construction

The utility model discloses an anti-falling device for building construction, which comprises a top plate, a clamping mechanism is arranged on the top plate, two U-shaped rods are fixed on one side ofthe top plate, a second U-shaped plate is fixedly sleeved on the two U-shaped rods, notches are arranged on opposite side walls in the second U-shaped plate, and a first U-shaped plate is sleeved inthe two notches in a sliding manner. A protective net is detachably connected to the second U-shaped plate and the first U-shaped plate, an adjusting mechanism is arranged on the second U-shaped plate, a threaded sleeve is arranged on the adjusting mechanism, and a second L-shaped rod is sleeved with the threaded sleeve in a threaded mode. According to the utility model, the top plate can be firmly propped against the wall body and can be clamped by matching with the clamping plates, so that the stability of the second U-shaped plate can be well ensured, the size can be adjusted as required, the protective net can be c