How long it takes to recover from cough variant asthma is related to the specific condition, the effectiveness of treatment and other factors, and cannot be generalized. Cough variant asthma is an airway hyperresponsiveness disease with cough as the main symptom, a type of asthma, mostly related to allergies. The treatment of cough variant asthma is slow and there is no need to be in too much of a hurry. Whether it is Chinese medicine treatment or Western medicine treatment, it is important to adhere to sufficient treatment time, usually about 3-6 months for gradual recovery, and some people with severe disease may need continuous treatment for 6 months to 2 years for gradual recovery. Secondly, patients should go to the respiratory medicine department regularly for follow-up, and the physician will decide whether to reduce or stop the medication according to the improvement of the condition. In addition, patients are advised to eat a light diet during the illness, avoid eating foods with more additives, and avoid contact with allergens such as pollen, dust mites, fur, paints, fumes and gas oil.