Abstract: An apparatus for adjusting high and low beams of an automobile headlamp comprising: a lens and a cooling support frame; wherein a parabolic reflector and a LED light assembly are set in the cooling support frame; wherein an opening is set on one side of the lens and an adjusting mechanism for adjusting high and low beams wherein the adjusting mechanism is set in the opening; wherein the adjusting is further comprising a fixed plate wherein the fixed plate is set on the cooling support frame near adjacent to the opening; wherein a solenoid valve is installed on the fixed plate; wherein a plurality of connecting pieces are set on both sides of the fixed plate; wherein an adjusting plate is movably connected between the connecting pieces through a clamp spring; wherein a cross rod is set on the adjusting plate; wherein a valve rod of the solenoid valve is connected to the cross rod such that the adjusting plate moves from position A to position B when the valve rod moves wherein the adjusting plate in position a