The invention discloses a vehicle headlamp hinge. The vehicle headlamp hinge comprises a fixed component, a sliding component, a rotating shaft and a hinge, wherein the hinge is mounted on the rotating shaft; the fixed component comprises a main body part as well as a first sliding groove and a second sliding groove which are welded to the rear surface of the main body part, and a screw hole is formed in one side wall surface of the first sliding groove; the sliding component comprises a first sliding part, a second sliding part, a connecting part, a first circular pipe part and a second circular pipe part, wherein the connecting part is used for enabling the left tail end of the first sliding part to be connected with the left tail end of the second sliding part; the first circular pipe part is formed at the right tail end of the first sliding part, and the second circular pipe part is formed at the right tail end of the second sliding part; the first sliding part is mounted in the first sliding groove, and the second sliding part is mounted in the second sliding groove; the rotating shaft is mounted in the first circular pipe part and the second circular pipe, and the diameter of the upper tail end of the rotating shaft is larger than that of an excircle of the first circular pipe part; the hinge is mounted on the rotating shaft positioned between the first circular pipe part and the second circular pipe part, a pin hole is formed in a position under the second circular pipe part of the rotating shaft, and a pin is mounted in the pin hole.