The reasons for the total dryness of the nose include dry climate, environmental pollution, vitamin deficiency, dry rhinitis, atrophic rhinitis, etc., which can be treated by improving the biochemical environment, supplementing vitamins, and washing the nose with physiological saline. 1. Improvement of environment: dry climate and serious pollution of working and living environment can lead to dry nasal cavity. The working and living environment should be improved thoroughly according to the cause of the disease and protection should be strengthened. 2. Supplementary vitamins: vitamin deficiency, such as vitamin A deficiency, can make the mucosal epithelium degenerative lesions, secretion reduction. Vitamin B deficiency can cause epithelial cell metabolism disorder. Then should be appropriate supplemental vitamins, such as vitamin A, B, C, etc., can be used in the nasal drops of cod liver oil, etc. to moisturize. 3. Nasal rinsing and medication: Budesonide nasal spray can be used to control inflammation, combined with saline nasal wash to keep the nasal cavity moist and clean. Nasal drops with compound peppermint drops, liquid paraffin, vegetable oil and so on. It is recommended that patients consult a doctor to check the cause of dry nose, the treatment of the cause is the key, the above drugs should be used in accordance with the doctor’s instructions.