Dry rhinitis caused by vitamin deficiency can take vitamin preparations, dry rhinitis caused by environmental factors need to improve the environment, nasal cavity topical medication. Dry rhinitis is a chronic inflammation of the nasal mucosa, mostly due to environmental factors, vitamin deficiencies and other reasons lead to the onset of symptoms, manifested in the nasal cavity dryness, stinging and itching sensation, nosebleeds and so on. Vitamin deficiency, such as vitamin A, B deficiency, you can take oral vitamin preparations, such as vitamin A, vitamin B, vitamin C and so on. Dry rhinitis caused by environmental factors is usually not treated with oral medications. Environmental humidity can be improved through the use of humidifiers, etc. The nasal cavity can be rinsed locally with saline to keep the nasal cavity clean and moist. Specific treatment medication varies according to the condition, it is recommended to follow the doctor’s prescription medication.