Active protection device for high-altitude falling

The invention provides an active protection device for high-altitude falling, and relates to the technical field of safety protection equipment. The active protection device for high-altitude fallingincludes a safety belt, a safety rope, an anti-falling unit and a connecting buckle; and the safety belt is fastened to the body of an operator, one end of the safety rope is connected with the connecting buckle, the connecting buckle is used for being connected with a fixed object, the other end of the safety rope is connected to the safety belt through the anti-falling unit, and the anti-fallingunit is used for clamping the safety rope when the rate of descent of the operator is too high. The technical problem that in the prior art, secondary injury to maintenance personnel in the falling process is prone to being caused due to the fact that a protection rope of a safety belt can only play a protection role when the protection rope is fully extended and the protection rope of the safetybelt is too long is solved