Chronic obstructive pulmonary disease (COPD) is a common chronic disease characterized by airflow obstruction, chronic bronchitis and/or emphysema, which can further develop into pulmonary heart disease and respiratory failure. Disability and death rate is very high, the global incidence of over 40 years of age has been as high as 9% ~ 10%. The following to the patient to introduce the chronic obstructive pulmonary disease precautions. 1, patients who smoke: from this moment now, you must stop smoking immediately. Smoking cessation may be more effective than treatment with medication. 2, to the regular hospital treatment: COPD is a chronic disease, there is no drug can be completely cured, do not believe that the prescription, ancestral recipes, etc., to the regular hospital respiratory medicine, as long as the reasonable use of medication, the general prognosis can be more serious patients may have a poorer prognosis, the current treatment can not be a fundamental reversal of the lesions, but the regular treatment is definitely better than abandonment. 3, maintain a happy mood: a healthy mind, life will be better. 4, exercise: COPD patients need to adhere to physical exercise, enhance lung function, you can try jogging, cold water face bath.