High-altitude workers are susceptible to high temperatures and heat stroke because they cannot use air-conditioned vests while wearing aerial harnesses. Therefore, the combination of air-conditioned vests and aerial harnesses is a site equipment that combines safety and cooling to enhance the comfort and life protection of the workers. This design is specially designed for aerial work. This design is specially designed for aerial work [cooling safety vest], combining stable support and breathable cooling function, which not only improves the comfort of work, but also improves the safety of work. This design is specially designed for aerial work, combining stable support and breathable cooling function, which not only improves working comfort, but also effectively reduces the burden of long working hours, ensuring both safety and efficiency. safety and efficiency at the same time).