LIGHT PATH PROCESSING ELEMENT, HEADLAMP MODULE VEHICLE LAMP AND VEHICLE

A light path processing element, comprising an element main body having a cut-off portion, wherein the element main body is a double-sided reflecting plate, or has a protrusion on one side and a reflecting surface on the other side. A headlamp module, comprising a low-beam illumination unit, a high-beam illumination unit, a collimating optical device, and the light path processing element, wherein light rays emitted by the low-beam illumination unit and the high-beam illumination unit can form low-beam and high-beam light patterns under the action of the light path processing element, and the low-beam and high-beam light patterns can be quickly and noiselessly switched between without needing to move the light path processing element. Further disclosed are a vehicle lamp including the headlamp module, and a vehicle including the vehicle lamp.