If the throat is itchy and dry after inhaling cold air, the patient should be considered to have allergic cough, such as cough variant asthma, cough after cold, etc. For patients with itchy throat, oral laxative medications are needed, such as honey-refined Chuanbei Loquat Paste, Blue Scutellaria Oral Liquid, Pudilan Anti-inflammatory Oral Liquid, etc. Some patients also need to add antihistamines to reduce airway sensitivity, such as ketotifen or cetirizine tablets, sometimes in combination with the treatment of leukotriene modulator montelukast sodium. Of course, these patients need to be treated with additional cough suppressants, such as compound licorice tablets, compound methoxyphenamine capsules, and compound forcodine oral solution, but they mainly need to be treated with inhaled glucocorticoids, such as budesonide formoterol powder inhalation. Through the standard use of inhaled glucocorticosteroids to reduce airway sensitivity, so as to effectively control the phenomenon of dry and itchy throat and dry cough in the pre-cold air.