1, go out to wear a mask, both insulation to prevent cold air to stimulate the nasal cavity and to resist the direct stimulation of dust on the nasal mucosa; 2, adhere to the daily nasal cleaning, at least three times, at home nasal washer, go out to use nose-cleaning and other nasal cleanser; 3, rhinitis attack do not be afraid, timely cleaning of the nasal cavity after the use of anti-rhinitis drugs such as Renolcort, Neshuna spray nose, remember that it is best to wash the nose first! 4, finally, at least once a year to review the sinus CT, nasopharyngoscopy.