There are acute rhinitis, allergic rhinitis and chronic simple rhinitis. It may be caused by infection, allergy, systemic factors and so on. 1. Acute rhinitis: acute rhinitis is an acute inflammatory disease of the mucous membrane of the nasal cavity caused by viral infection or bacterial infection, when viral infection or bacterial infection may appear to commit rhinitis. 2. Allergic rhinitis: Invisible contact with allergens, such as pollen, dust and other tiny substances into the nasal cavity, will cause allergic reactions, stimulate the nasal mucosa, easy to cause allergic rhinitis. 3. Chronic simple rhinitis: If you suffer from long-term chronic diseases, such as anemia, diabetes, rheumatism, tuberculosis, gout, acute infectious diseases, resulting in long-term or repeated nasal mucosa congestion or bruising, may lead to commit rhinitis. Patients with rhinitis should go to a regular hospital in time to identify the cause of the disease and take targeted treatment measures under the guidance of a professional doctor.