Dry and painful nose may be caused by dry weather, allergic rhinitis, upper respiratory tract infection, nasal injury, atrophic rhinitis and other reasons. 1. Dry weather: when the weather is particularly dry, it is easy to cause the lack of moisture in the nasal mucosa, resulting in dry and painful nose symptoms. 2. Allergic rhinitis: when suffering from allergic rhinitis, nasal discharge alternates with nasal dryness, which loses the moisturizing effect on the nasal mucosa and causes symptoms of dry and painful nose. 3. Upper respiratory tract infection: suffering from upper respiratory tract infection, easy to cause nasal mucous membrane dryness, and in severe cases, it will also cause dry and painful symptoms of the nose. 4. Nasal cavity damage: If the nasal cavity is regularly damaged, such as digging the nose, damage to the mucous membrane of the nasal cavity, which will also cause the symptoms of dry and painful nose. 5. Atrophic rhinitis: a kind of chronic inflammation of the nasal mucosa, there will be nasal dryness and pain. If you find that the dry and painful nose has not been able to relieve, or accompanied by other symptoms, you should go to the hospital in time to find out the cause of the disease, under the guidance of the doctor for treatment.