Four-rotor industrial drones use carbon fiber composite materials to build arms, taking into account lightweight and structural strength, gray-black main color with yellow decorative lines, both industrial texture and visual recognition. Four-rotor configuration to enhance flight stability and load capacity, landing gear with three-axis pan-tilt camera, to meet the high-precision operation requirements of aerial photography, inspection and other industrial scenes, the overall design to achieve a balance between performance and practicality.