Brightness-adjustable automobile self-adaptive headlamp

The utility model relates to the technical field of automobile lamps, in particular to a brightness-adjustable automobile self-adaptive headlamp which comprises a lamp shell, the left end and the right end of the lamp shell are open ends, the left end of the lamp shell is fixedly connected with an inclined plane reflecting plate used for enhancing illumination brightness, the right end of the lamp shell is fixedly connected with a vertical plate, and a middle groove is formed in the middle of the vertical plate. An adjusting mechanism is arranged in the middle groove and comprises a telescopic motor and a rectangle, and a sliding block is movably clamped in the transverse groove. The wiring block is connected with an automobile power line and a control line, the wiring block is connected with a bulb on the lamp holder to provide illumination after being powered on, an operator limits the position of the rectangular block in the middle groove through movable sleeving connection of the sliding rod and the inser