Intelligent street lamp capable of automatically adjusting brightness according to environment based on outside

The intelligent street lamp capable of automatically adjusting the brightness according to the environment based on the outside comprises a lamp pole, a sliding cavity is formed in the lamp pole, a movable block is arranged in the sliding cavity through a guide assembly, a fixed rod is fixedly arranged on one side of the movable block, and the fixed rod penetrates out of the lamp pole through a through groove and extends to the outside to be provided with a mounting frame. A main illuminating lamp is arranged in the mounting frame; a base is fixedly arranged at the bottom end of the lamp pole, an embedded part is fixedly arranged below the base, and a winding mechanism is arranged in the base and connected with the moving block through a connecting assembly. Through mutual cooperation of the mechanisms, when maintenance or overhaul is needed, the lifting device can be lowered to a safe height, climbing operation of workers is not needed, safety during work is improved, maintenance and overhaul operation of th