Air purifiers can improve the symptoms of rhinitis and reduce the incidence of rhinitis, especially for allergic rhinitis. Air purifiers can effectively absorb, decompose and transform various pollutants in the air, including dust, dust mites, various decoration odors, PM2.5, etc., which have a good effect on patients with rhinitis and can reduce The frequency of the onset of rhinitis. It is recommended that patients exercise more in life to enhance immunity. If you have rhinitis, you can use an air purifier, which is good for the patient's body. At the same time, you can use drugs to treat rhinitis to reduce clinical symptoms. Commonly used is mometasone furoate nasal spray. Oral drugs can use Biyanning granules. The application of drugs, coupled with air purifiers, the patient’s rhinitis will be significantly improved.