The symptoms of rhinitis are varied. From the pathological changes of nasal mucosa, there are chronic simple rhinitis, chronic hypertrophic rhinitis, caseous rhinosinusitis, atrophic rhinitis and so on. According to the acute onset and duration of the disease, it can be divided into acute rhinitis and chronic rhinitis. In addition, although some rhinitis has a slow onset and a long duration, it has specific pathogenic reasons, so it has specific names, such as allergic rhinitis (allergic rhinitis) and drug-induced rhinitis.