Chronic obstructive pulmonary disease (COPD) is an important respiratory disease that includes chronic bronchitis and obstructive emphysema. If left unchecked, COPD can also lead to chronic pulmonary heart disease, respiratory failure and heart failure, which can even endanger patients’ lives. The World Health Organization estimates that COPD is the fourth leading cause of death worldwide after heart disease, cerebrovascular disease and acute lung infections, and is tied with AIDS as the “fourth invisible killer”. What are the risk factors of COPD? Smoking and environmental pollution are the main reasons for the increase in COPD. The type of smoking and the age of initiation of smoking have a significant impact on the prevalence of COPD. In addition, passive smokers have a 10% to 40% greater chance of developing COPD in adults. What are the main symptoms of COPD? Cough, sputum, exertional dyspnea. What are the prevention and health care of COPD? 1.Stop smoking, control occupational and environmental pollution, reduce the inhalation of harmful gases and particles, etc. 2.Pay attention to ventilation in the house to keep the air fresh and clean. 3, according to the seasonal climate change, increase and reduce clothing at the right time, moderate work, especially in winter and spring should take appropriate measures to prevent cold and flu, such as moxibustion foot three miles, rub nose, massage Yingxiang point, rub Hegu point or stimulate the earlobe acupuncture points, etc.. Regular influenza vaccination is available. 4, diet should be light and easy to digest, while rich in nutrition, more food rich in vitamin A and vitamin C, such as: lean meat, fish, eggs, milk, soybean products, fresh vegetables, etc., avoid overfull, avoid cold, spicy, fatty and thick taste. 5, the winter disease summer treatment – that is, in the summer to strengthen the lungs, spleen and kidneys, can support the right qi, expectorant and drink to clear the body of voodoo. Such as winter disease summer acupressure treatment and so on. 6, usually pay attention to exercise respiratory function: such as lip reduction breathing, blowing balloons. 7, moderate rehabilitation exercise, improve the quality of the human body, enhance the ability to adapt to changes in the external environment, such as taijiquan, qigong, eight-danjin or jogging, hiking, swimming, etc. When does a patient with COPD need to seek immediate medical attention? If COPD patients experience increased shortness of breath, often accompanied by wheezing, chest tightness, increased cough, increased sputum volume, change in sputum color or viscosity, as well as systemic symptoms such as fever, mental fatigue, fatigue, etc., it is a manifestation of acute exacerbation of COPD and requires immediate medical treatment to avoid delaying the condition.