Chronic obstructive pulmonary disease can not be cured, cough may be related to the recurrence of the disease after stabilization, you can quit smoking, take medication for treatment. 1. The pathophysiology of chronic obstructive pulmonary disease is characterized by persistent airflow limitation leading to pulmonary ventilation dysfunction, with the progression of the disease, the elasticity of lung tissues gradually decreases, the pathological changes of chronic obstructive pulmonary disease can not be reversed, and the treatment is mostly based on stabilizing and slowing down the progression of the disease. 2. Patients with chronic obstructive pulmonary disease should quit smoking in time and apply bronchodilators, such as β2 agonists (formoterol, etc.), anticholinergics (ipratropium bromide, etc.), theophyllines (aminophylline, etc.). For people with chronic respiratory failure complicated by COPD, long-term home oxygen therapy, breathing exercises such as deep abdominal breathing and jogging can be used. We also need to be alert to the possibility of combining other diseases that cause cough, such as lung cancer, tuberculosis, etc. If the symptoms fail to improve or even gradually worsen, we need to consult a regular hospital in a timely manner, and cooperate with the doctor to improve the examination and standardize the treatment. COPD is a chronic airway disease, it is recommended that specialized standardized treatment and regular review.