Introduction to the Results: As cars have become more widely adopted in households, people spend an increasing amount of time inside vehicles, and the air quality within these spaces directly affects human health and well-being. Currently, a small number of cars, such as BYD, are equipped with PM2.5 air detection devices. Additionally, automotive air quality sensors (AQS) are mainly used for switching between internal and external circulation in mid-to-high-end cars, while there has been no report on car interior air quality management systems. With the rise of modern internet sales models, when customers choose vehicles online, the air purification system related to life health will be the most important option. The car interior air purification system planned by this technology is a world first in its category. In terms of intellectual property rights, it can obtain 5-7 patent technologies, with a total power consumption plan of 30KW and costs controlled within 1000 yuan, resulting in significant economic benefits for the product. This system's technology is also suitable for high-end hotel rooms, executive offices, and other similar environments. Military submarines and other vessels have widespread utility for both military and civilian purposes. The air quality purification system within the vehicle can achieve: 1. Effective isolation of harmful gases outside the vehicle including CO, CO2, NOx, SnO2, etc. 2. Prevention of PM 2.5 particles from entering the vehicle interior 3. Purification of harmful gases inside the vehicle