The outdoor wall-mounted advertising machine is a high-brightness and high-definition digital advertising display device specially designed for outdoor environments, suitable for commercial streets, bus stops, exterior walls of buildings, gas stations, parking lots and other places. It is made of industrial-grade materials that are waterproof, dustproof and corrosion-resistant, and is equipped with an intelligent temperature control system to ensure stable operation of the equipment in extreme weather conditions, playing advertisements, announcements or multimedia content continuously for 24 hours.