Cough variant asthma is mainly treated with hormones, β2 agonists, M receptor antagonists, theophyllines, leukotriene receptor antagonists and other drugs. 1. Hormones: Inhaled hormones include budesonide for inhalation, fluticasone propionate, etc. Adverse effects such as hoarseness, cough, urticaria and dermatitis may occur after use. 2. β2 agonists: long-acting β2 agonists include salmeterol and formoterol, and short-acting β2 agonists include salbutamol. Adverse reactions such as tachycardia, nausea, pharyngitis, and headache may occur after use. 3. M2 receptor antagonists: for example, tiotropium bromide powder inhaler, can cause tachycardia, tremor, night sweats, abdominal pain, itching and other adverse reactions. They should not be used in patients with acute bronchospasm. 4. Theophylline drugs: for example, theophylline extended-release tablets, can cause nausea, vomiting, insomnia and other adverse reactions, active peptic ulcer and uncontrolled convulsive disease patients should not use this drug. 5. Leukotriene receptor antagonists: can improve airway inflammation, common drugs are montelukast, can cause abdominal pain, headache, cough, fever and other adverse reactions, allergy to this drug is prohibited. The above drugs are recommended to be used under the supervision of a doctor. Patients diagnosed with cough variant asthma are advised to go to the hospital and choose the appropriate medication for treatment under the guidance of a specialist.