The invention discloses a bird damage prevention device and an artificial bird nest integrated system for a power transmission line. The device comprises a bird prevention device, an artificial bird nest and a background processing device, wherein the bird prevention device comprises an acoustic drive device, a mechanical drive device, a first camera device, a power supply device, a first signal transmission device and a central control device; the first camera device is used for shooting a first bird image of birds on the power transmission line and transmitting the first bird image to a central control device for bird identification; the central control device is used for controlling the working state of the acoustic drive device and/or the mechanical drive device according to a bird identification result and transmitting the first bird image to the background processing device; the artificial bird nest comprises a nest box main body; a second photographing identification device is arranged on the nest box main body; and the second photographing identification device is used for shooting a second bird image of birds entering the nest box main body and transmitting the second birdimage to the background processing device. The device can coordinate the bird repelling work and the bird protecting work of the power transmission line.