Nose inhale cold air cough can wear a mask when you go out, choose gauze masks, can play both blocking dust and warmth of the role. Nose inhalation of cold air on the cough, most because the airway is more sensitive, if the patient has bronchial asthma, climate change before a month or two can use inhaled glucocorticosteroids, oral montelukast sodium to improve the high reactivity in the airway, so that you can avoid asthma attacks. Patients with frequent coughing, dry and itchy throat, and very sensitive to cold air, which is also accompanied by sneezing and rhinitis, can also use inhaled glucocorticosteroids through the nose to improve the hyperreactivity in the nasal cavity, and can take oral antihistamines such as loratadine and cetirizine for anti-allergy treatment.