Dry and painful nose may be related to dry rhinitis, vitamin deficiency, dust allergy and so on. 1. Dry rhinitis: dryness, atrophy and thinning of the nasal mucosa, pallor and erosion of the mucosa, making the nose cilia are also affected. 2. Vitamin deficiency: the lack of vitamins in the body can lead to dry nasal mucosa or nasal capillary rupture bleeding symptoms, may lead to the emergence of dry nose pain. 3. Dust allergy: some people are allergic to pollen and dust. After inadvertent contact with the nose will appear abnormal, the patient will sneeze, runny nose and other symptoms, frequent nose blowing or repeated nose rubbing, resulting in the nasal mucosa damage, dry nose will occur. If the symptoms do not get better after a period of time, it is recommended to go to the hospital in time.