The invention belongs to the technical field of automobile illumination, and particularly relates to an LED (light emitting diode) automobile headlamp high beam optical module, which comprises an LED light source, a reflector, a lens and a heat radiator, wherein a platform is arranged on the grid-shaped heat radiator, the heat radiator is connected with a base through a ball head connecting mechanism and a position regulating structure, the LED light source is arranged at a hollow part position of the reflector, in addition, the LED light source is connected with the platform, the reflector comprises a reflecting cup body, the reflecting surface of the reflecting cup is in an ellipsoidal surface shape, the lens comprises a planar incident surface allowing light rays to enter the lens, and also comprises an outer convex surface allowing the light rays to be emitted out, the outer convex surface is in an ellipsoidal surface shape, and the lens is fixedly arranged on the heat radiator through a lens support frame. The module has the advantages that the illumination effect is good, the illumination degree is high, the view sight is clear, a good heat radiation effect is also realized, and an automobile headlamp is enabled to be in a safe and stable work environment, so the running safety is greatly improved, and the service life of the automobile headlamp is prolonged.