Criteria for discontinuation of cough variant asthma are mainly based on the level of symptom control and the level of risk factors that determine whether medication can be discontinued in order to obtain better symptom control and reduce the risk of acute exacerbations. 1. Level of symptom control: in the past 4 weeks, the presence or absence of (1) Whether daytime cough variant asthma symptom episodes are >2/week (2) Wakefulness at night due to cough variant asthma (3) Use of reliever short-acting β2-agonists >2 times/week (4) Whether cough variant asthma causes activity limitation. 2. Risk factor levels (1) Degree of lung function impairment: lung function indexes FEV1 and PEF reflect the severity of airway obstruction. (2) History of atopic asthma attacks: whether there is continuous exposure to allergens. There are no complications such as rhinitis. If diagnosed with the disease, most of the condition can be controlled within a few days, but complete control takes 3 to 4 months. Therefore, if diagnosed with the disease, the medication should be taken under the guidance of a doctor, and when stopping the medication, the medication should be stopped in accordance with the doctor’s instructions, so as not to cause recurrence of the disease.