Airway hyperresponsiveness has more causes, which can be caused by airway inflammation, tracheal spasm, autonomic dysfunction, etc. Symptoms can be relieved by controlling infection and bronchodilating treatment. 1. Infection control: if there is a clear bacterial infection, antibiotics, such as penicillin, ceftazidime, azithromycin and so on, can be used to treat. 2. Dilation of bronchial tubes: e.g. β2 agonists (e.g. salmeterol), theophyllines (e.g. aminophylline), anticholinergics (e.g. ipratropium bromide), etc., which can effectively alleviate symptoms of tracheal spasm caused by airway hyperresponsiveness. Some airway hyperreactivity due to allergic reaction requires prompt anti-allergy treatment, such as loratadine. If the symptoms of airway hyperreactivity are not relieved, you should go to the hospital in time to avoid delay. The above drugs need to be standardized and rationally applied under the guidance of professional physicians and pharmacists.