Once the season changes, the nose is dry, a common clinical disease is dry rhinitis, may be related to temperature changes and changes in air humidity and other triggers, but also with the patient’s personal constitution has a certain relationship. The treatment of this disease clinically includes the following methods: First, it is recommended that patients eat more vegetables and fruits to supplement vitamins, eat more grapefruit, kiwi, watermelon, apples, bananas and other such fruits, while drinking more water. Second, it is recommended to place a humidifier at home or at work to reduce the dryness of the air by increasing the humidity of the air, which can also relieve the dryness of the nasal cavity. Thirdly, under the guidance of doctors, you can often use compound menthol nasal drops, or medical saline to do nasal rinse treatment, and you can also use physiological seawater to spray the nose and other treatments to relieve nasal dryness. All in all, for patients with dry nasal cavity after the change of season, it is recommended to do the above preventive measures.