In the air-conditioned room in the nose is always dry and painful, may be dry air, dry rhinitis caused by the placement of humidifiers, medication symptomatic treatment. 1. Place a humidifier: air-conditioned rooms with low temperature and low humidity can lead to dryness of the nasal mucosa and dry nose. Humidifier can be placed in the room to avoid the room is too dry, to relieve the nasal mucosa dry and pain. 2. Dry rhinitis: drink more water and eat foods rich in vitamins and minerals. You can wash your nose with saline to keep the nasal cavity moist and clean. You can also use peppermint oil drops to relieve dry symptoms. It is recommended that patients consult a doctor in time to check the disease, clear the cause of the disease and actively treat the disease, the above drugs are to be used in accordance with the doctor’s instructions.