Masks are no strangers to us, especially in recent times when we go out to wear masks to protect our own safety. Masks are divided into disposable masks, medical masks, N95 masks, etc. Masks Unlike common masks, ventilators are used to isolate viruses, pollen, bacteria, dust, etc. The design of the mask ventilator belongs to the design of medical products. The designer has been conceived by the mind, innovated and improved through appearance design and structural design, and designed a harder core breathing device, which is suitable for various severe weather environments and provides a reliable guarantee for respiratory health. The design of the mask ventilator is composed of a portable windshield mask and a small purification ventilation device. It can not only purify harmful substances in the air, but also provide oxygen breathing, assist or control the user's autonomous breathing movement, reduce the consumption of the human body, and bring reliable protection for the user's breathing health. It is not only suitable for daily wearing, but also suitable for severe weather environments such as smog, plateau and iceberg. In terms of product design, the appearance design of the mask ventilator is simple, and the colors are matched with gray, white and blue to highlight the texture of the product and give people a fashionable and simple aesthetic feeling. The overall design is ergonomic and improves the comfort of the wearer. The front of the mask ventilator adopts transparent windshield, with superior material technology and exquisite workmanship. The whole adopts detachable structure design, which is very convenient to assemble and disassemble, easy to maintain, and small in size and convenient to carry.