This year, because of special circumstances, masks have become a must-have for our daily travel. In the past, we would choose to wear masks when traveling in winter, which can not only resist the cold wind, but also prevent wind and sand. The designer designed the mask ventilator for Chuzhong because some cities will have severe smog in winter. Mask ventilator is not only suitable for haze weather, but also for other bad weather environments, plateaus, icebergs and other bad weather. Mask ventilator can ensure people's respiratory health and provide reliable protection for people. The design of the mask ventilator is composed of a windshield mask and a purifying ventilation device, which can not only purify harmful substances in the air, but also provide oxygen breathing, assist the user's autonomous breathing movement, reduce the consumption of the human body, and bring reliable protection for the user's respiratory health. In terms of product design, the overall design form of mask ventilator is simple, and the colors are matched with gray, white and blue, highlighting the texture of the product and giving people a fashionable and simple aesthetic feeling. The overall design designer combines the composition of the human body based on research, and the design conforms to ergonomics and improves the comfort of the wearer. The front of the mask ventilator adopts a transparent windshield mask, with superior material technology and exquisite workmanship. The whole adopts detachable structure design, which is very convenient to assemble, and is convenient to maintain and carry. The appearance design and structural design of the mask ventilator are the most suitable design after the designer's careful research and design, and the storm of thinking.