Street lamp convenient to maintain

The utility model provides a street lamp convenient to maintain, which comprises a lower stand column, a movable stand column, a rotating gear and an upper butt joint plate, and a bottom plate is arranged at the lower end of the lower stand column. A small motor on the front side of a rotating shaft is started to drive the rotating shaft to rotate, then a rotating gear on the outer side face of the rotating shaft is driven to rotate on a spur rack meshed with the rotating gear, guide rails on the front side face and the rear side face of a movable stand column move up and down along guide grooves, the high-altitude street lamp assembly is moved downwards, and high-altitude operation of maintenance personnel is avoided; and the lower butt joint plate and the street lamp assembly are additionally arranged, an embedded column at the lower end of the street lamp assembly is embedded into the inner side face of the upper end of the movable stand column, the lower surface of the upper butt joint plate and the upper