The invention discloses an automatic inspection device of a high voltage line. The automatic inspection device structurally comprises an automatic electric power bird repellent, a monitoring camera, acamera bracket, a pulley bracket, a first pulley power supply connection seat, an automatic inspection device control seat, a second pulley power supply connection seat, a clamping jaw bracket, a clamping jaw, a cutting device bracket, a cutting device, a second pulley, a cross bar, a dust brush and a first pulley. The automatic inspection device is provided with the automatic electric power birdrepellent to effectively prevent collision between the automatic inspection device of the high voltage line and bird creatures during the work to cause damage to the equipment, thereby improving thesafety performance of the equipment and having high practicality.