With the changes in people's lifestyles, high-end smart home appliances have become a key performance in the pursuit of high-end quality of life. High-end smart home appliances are endless, and smart TVs, smart refrigerators, and smart washing machines have been widely used by consumers. The newly launched smart air purifier once became the focus of the home appliance industry. The intelligent air purifier not only maintains the indoor air safety, but also defeats pollutants such as formaldehyde, benzene, PM2.5, dust mites, etc., and also realizes the desire of consumers to pursue high-end life quality. The traditional purifier has been purifying whether or not there is harmful substances in the air. The modern purifier can adjust the working state of the purifier according to the air quality after installing the sensor, thereby saving energy and making more effective use of the filter elements.