The utility model discloses a solar street lamp, including the chassis, install face guard structure on the chassis, set firmly on the chassis and the LED light structures that shines, the drive arrangement that sets firmly on the chassis and be connected with the LED light structures electricity down, the edge of terminal surface extends annular boss down under the face guard structure, and annular boss makes face guard structure intermediate position department form the recess, is equipped with a plurality of light -emitting windows on the recess, is equipped with a plurality of unthreaded holes on the annular boss, and the LED lamps and lanterns are still including setting firmly the printing opacity piece on the light -emitting window.