Chronic rhinitis is not caused by a virus. Chronic rhinitis is a chronic inflammation of the nasal mucosa and submucosa. Pathogenic factors are categorized into systemic and local factors, and there is often no clear pathogenic microbial infection. The main characteristics are swelling of the nasal mucosa and increased secretion. The course of the disease lasts for more than a few months or recurrent episodes. Systemic factors: chronic rhinitis is often a local manifestation of some systemic diseases, such as anemia, tuberculosis, diabetes mellitus, etc.; malnutrition, vitamin A, vitamin C deficiency, excessive smoking and alcohol, etc.; endocrine disorders, thyroid dysfunction; or immune abnormalities and other factors. Local factors: acute rhinitis is not thoroughly treated, recurrent attacks; chronic inflammation of the nasal cavity and sinuses; nasal septum deviation, nasal stenosis tumors and other obstacles to nasal ventilation, recurrent inflammation; long-term application of vasoconstrictors; mucosal cilia dysfunction, etc. caused. It is recommended that patients with nasal discomfort go to the ear, nose and throat department of the hospital for examination to determine the type of rhinitis and standardize the treatment.