The invention discloses a polished tile waxing device. The polished tile waxing device comprises a fixed platform. A conveyor belt is arranged on the fixed platform. The polished tile waxing device is characterized in that a dust collection device is arranged above one end of the conveyor belt; a dust blowing mechanism capable of blowing dust on polished tiles on the conveyor belt is arranged on the fixed platform and located on one side of the dust collection device; a fixed frame is arranged on the fixed platform and located on one side of the dust collection device; a movable rack is arranged below the fixed frame; a moving mechanism capable of driving the movable rack to move up and down is arranged on the fixed frame; a movable rod is arranged on the movable frame; a plurality of waxing guns are arranged below the movable rod; a scraping knife is movably arranged on the movable rod; one side of the movable rod is provided with an adjusting mechanism capable of adjusting the height of the scraping knife; a second moving mechanism capable of driving the movable rod to move on the movable rack is arranged on the movable rack. The polished tile waxing device is simple in structure and convenient to use.