The dry and painful crusting inside the nose is related to environmental factors, dry rhinitis, atrophic rhinitis, etc. It can be relieved by hydration, nasal irrigation, oil drops and surgical intervention. 1. Environmental factors: for the climate is too dry environment, may induce the phenomenon of dry and painful and crust inside the nose, can be supplemented by more water, indoor humidity regulation, etc., to improve the patient’s symptoms. 2. dry rhinitis: for dry rhinitis patients, through the use of saline for local rinsing, is conducive to the alleviation of nasal dryness and crusting symptoms, but also the use of cod liver oil drops, can effectively moisturize the mucosa of the nasal cavity, to improve the phenomenon of nasal dryness. 3 atrophic rhinitis: for patients with atrophic rhinitis, you can also choose warm saline for daily nasal rinsing, the main role is to remove the scabs and remove nasal mucous secretions. Surgical interventions, such as anterior nostril closure, can be performed to reduce nasal dryness and crusting by narrowing the nasal passages and reducing hyperventilation. It is recommended that patients go to the otorhinolaryngology department of the hospital, with the doctor to clarify the cause of the dry and crusty nose, and then give targeted medication and treatment.