Patients with respiratory bronchiolitis can get different degrees of improvement by quitting smoking, but for patients whose lung function is obviously impaired or whose disease progresses more quickly, they need to cooperate with medication. 1. Smoking may cause some damage to the respiratory tract, which may lead to some respiratory diseases, such as respiratory bronchitis. 2. Smoking cessation is the first treatment for respiratory bronchiolitis. After quitting smoking, the condition of most patients will be improved to different degrees, the symptoms of shortness of breath and coughing will be gradually reduced, and the lung function indexes will be gradually restored, so as to achieve the effect of treating respiratory bronchiolitis. 3. However, for some patients whose lung function is obviously impaired or whose condition is progressing rapidly, not only do they need to quit smoking, but they also need to receive glucocorticosteroid treatment, the duration of which depends on the efficacy of the treatment, but there are some patients whose symptoms may still worsen after quitting smoking and using glucocorticosteroids. Patients suffering from respiratory bronchiolitis are advised to quit smoking and go to the hospital to identify the cause of the disease and then standardize the treatment under the guidance of the doctor.