Symptoms of COPD include chronic cough, sputum, wheezing, and dyspnea. Early symptoms of COPD are characterized by chronic cough, sputum and wheezing. Chronic inflammation of the airways leads to an increase in sputum secretion, which is mainly white sputum in the early stages, or yellow sputum in the case of acute infection. If the symptoms of COPD are gradually aggravated, when there are obstructive airway lesions, the patient can show symptoms of dyspnea, early with dyspnea after activity, and in the late stage, in addition to lung lesions, it may also involve the heart, and the patient can experience dyspnea symptoms at rest. Chronic obstructive pulmonary disease should usually pay attention to keep warm, avoid colds, if discomfort occurs, it is recommended to consult a doctor in time, to be given under the guidance of the doctor to avoid aggravation of the condition.