The invention discloses an auxiliary device for live installation of a bird repeller. The auxiliary device comprises a crawling mechanism, the crawling mechanism comprises a first fastening piece, a second fastening piece and a frame, the first fastening piece is installed at one end of the frame, the second fastening piece is installed at the other end of the frame, a walking frame is installed at the top of the crawling mechanism, a limiting mechanism is installed on the crawling mechanism, the limiting mechanism is matched with the crawling mechanism, and a moving mechanism is arranged on the walking frame. A worker does not need to climb an electric pole, the risk of high-altitude falling of the worker is greatly reduced, the personal safety of the worker is guaranteed, the crawling mechanism can drive the walking rack and the bird repelling device fixed to the fixing frame to climb to the top of the electric pole, and the position of the bird repelling device is adjusted under the action of the moving mechanism. Under the action of the fastening mechanism, the bird repeller is fixed on the cross arm, so that the bird repeller is mounted, and the working efficiency is greatly improved.