High-altitude operation anti-falling device convenient to lift

The utility model discloses a high-altitude operation anti-falling device convenient to lift. The high-altitude operation anti-falling device comprises a self-locking lifter sliding along a rope. The self-locking lifter is composed of a shell, a speed reduction assembly and a locking assembly. The speed reduction assembly is installed in the shell, one end of the rope penetrates through the shell and is in contact fit with the speed reduction assembly to enable the self-locking lifter to move along the rope, the locking assembly is installed on the shell and used for locking or unlocking the speed reduction assembly, and a protruding connecting ring is formed on the shell and used for tying a safety belt. The anti-falling device focuses on simplifying the operation steps of protective measures, and improves the construction efficiency on the premise of guaranteeing the safety of constructors. A self-locking function is added on the basis of the lifter, a safety belt or a safety rope is tied with the locked li