The dryness inside the nose can be caused by dry rhinitis, atrophic rhinitis, etc. It can also be caused by physiological factors such as dry air, etc. Different treatments should be chosen according to different causes and symptoms, including general treatment, medication and surgery. 1. Physiological factors: dry air and drinking less water can make people feel dry inside the nose. You can use a humidifier to moisten the air and drink more water at the same time. 2. Dry rhinitis: there are often symptoms such as dry nose, itchy nose, nasal congestion and nose bleeding. Moderate increase in intake of vitamin-rich foods or multi-vitamins, the use of 5% glucose saline drops, standardized saline rinse nasal cavity can play a role in improving the symptoms. 3. Atrophic rhinitis: manifested as progressive mucosal, glandular, periosteal and bony atrophy and other pathological changes, resulting in nasal dryness. Can be given warm saline rinse, compound peppermint oil, liquid paraffin, cod liver oil and other nasal drops, 1% streptomycin nose drops, 1% new Streptomycin coated mucous membranes and other treatments, or can be surgical treatment to narrow the nasal cavity and strengthen the nutrition, supplementation of related vitamins. There may be other reasons for the dryness of the nose, it is recommended to go to the hospital in time, improve the examination to clarify the cause of the disease, and then give targeted treatment.