The utility model belongs to the technical field of unmanned plane for patrol, a transmission line unmanned plane for patrol is disclosed, include: many rotor unmanned aerial vehicle and setting are in high -speed aerial camera on many rotor unmanned aerial vehicle, take the photograph camera and infrared imager, high -speed aerial camera take the photograph camera and infrared imager with many rotor unmanned aerial vehicle's flight controller links to each other, through flight controller and ground station communication, it fixes through remote control cloud platform to take the photograph camera on many rotor unmanned aerial vehicle's the fuselage, remote control cloud platform with flight controller links to each other, high -speed aerial camera and infrared imager passes through the nacelle to be fixed many rotor unmanned aerial vehicle's fuselage lower part. The utility model provides a transmission line unmanned plane for patrol has reached to promote and has patrolled and examined efficiency and reliability.