The treatment of dry nose needs to be based on the cause of dryness, symptomatic treatment, usually caused by dry rhinitis, allergic rhinitis and atrophic rhinitis, as follows: 1, dry rhinitis: you need to wear a mask when you go out to reduce dust and other stimulation of the nasal cavity, you can take oral multivitamins, such as cod liver oil, vitamin B2, vitamin C, vitamin A, etc., to improve the metabolism of the nasal mucosa, locally available compound Mint nasal drops to improve dry symptoms; 2. Allergic rhinitis: usually you need to wear a mask when you go out to reduce allergen stimulation of the nasal mucosa. Also need to take oral anti-allergy drugs, such as levocetirizine oral, trimethoprim nasal spray, etc.; 3, atrophic rhinitis: usually need to strengthen the nasal rinse, usually with physiological saline rinse nasal cavity and 50% glucose solution nasal drops, etc., if necessary, streptomycin drops to kill bacteria, etc.