The invention discloses a municipal solar street lamp, and relates to the technical field of street lamps. The municipal solar street lamp comprises a fixing plate, a lamp post is vertically fixed tothe fixing plate, a turning sleeve sleeves the lamp post, a horizontal lamp panel is horizontally fixed to the turning sleeve, illuminating lamps are uniformly fixed to the bottom of the horizontal lamp panel, a driving gear is coaxially fixed to an output shaft of a stepping motor, an outer gear ring in meshed transmission with the driving gear sleeves the turning sleeve, and a solar cell panel electrically connected with the illuminating lamps is installed on the horizontal lamp panel. The horizontal lamp panel of the municipal solar street lamp can be annularly adjusted, different positionsaround the lamp post can be illuminated under the driving of the stepping motor, and the illumination range of the illuminating lamps is effectively enlarged; passersby can have a rest conveniently through a seat plate, and the use functionality of the municipal solar street lamp is effectively improved; meanwhile, the height of the seat plate can be controlled and regulated through a control switch, so that use is more convenient, and passersby of different heights all can have a rest.