High-altitude operation anti-falling device for house building engineering

The utility model provides a high-altitude operation anti-falling device for house building engineering, which comprises a plurality of fixing plates arranged along the edge of a roof at intervals, the fixing plates are of rectangular platy structures, the top of each fixing plate is fixedly provided with a plurality of spaced upright posts, and the upright posts fix bolt plates on the edge of the roof through bolts; a vertically-through round hole is formed in the fixing plate, and a reciprocating mechanism is arranged in the round hole and penetrates through the round hole; the reciprocating mechanism comprises a rotating disc rotating along the interior of the round hole and a reciprocating rod arranged above the fixing plate in a sliding mode, and a first driving mechanism is fixedly arranged at the top of the roof; the reciprocating mechanism and the swing mechanism enable the hanging ring to move freely, the safety rope cannot abut against the edge of a house after being hung on the hanging ring, the se