Chronic obstructive pulmonary disease (COPD) is a common chronic disease of the whistle system, particularly common in the elderly, characterized by chronic bronchitis (chronic bronchitis) or emphysema and other causes of airway obstruction, the disease is chronic progressive aggravation, due to the prolonged course of the disease and recurrent attacks, the whistle function is significantly reduced, seriously affecting the patient’s ability to work and quality of life, serious patients will die of whistle failure. In recent years, the prevalence and mortality rate has increased and has become the fourth leading cause of death in large cities. WHO expects that in the next two to three decades, it will become the fastest growing disease in the world in terms of disability and mortality. The causes of chronic obstructive pulmonary disease are very complex and not clear enough, smoking and passive smoking, dust and some chemical pollution are the main causes of chronic obstructive pulmonary disease, in addition to indoor cooking, rural residents cooking, heating using coal as fuel burning and atmospheric pollution and other factors can not be ignored.