Cough variant asthma is generally categorized into mild acute attack, moderate acute attack and severe acute attack, there is no most effective treatment, according to the condition of targeted treatment, mainly based on drug therapy. 1. Mild acute attack: patients with paroxysmal cough as the main manifestation, can cooperate with the doctor to use salbutamol inhalation therapy, or oral salmeterol and other β2 agonists, usually within a few minutes of the effect. Note that when the dose of salbutamol is too large, tachycardia and blood pressure fluctuations can be seen, usually can be recovered by reducing the dose, and should be discontinued in severe cases; patients with hypertension, diabetes mellitus and other patients should use salmeterol with caution. 2. Moderate acute exacerbation: patients with chronic cough, long-term intractable dry cough, only through the above drug treatment can only improve some of the symptoms, so need to be combined with the use of budesonide and other inhalation therapy. Budesonide has an anti-inflammatory effect. After inhalation, the mouth and throat should be rinsed with clean water to prevent fungal growth. 3. Severe acute seizure: patients with seizure inhalation of β2 agonists and glucocorticosteroids are not effective, and need to be sent to the hospital emergency room immediately. Patients should use medication under the guidance of a doctor and should not use medication privately.