In air, water, food, these elements of life, we can choose safe food and water, while the air inhaled into the lungs by us can not choose , so in many consciousness, lung care seems to do not start. However, the lungs are the organs of the body in direct contact with the outside world, if you do not pay attention to the lungs, then the lungs are easily damaged, a few people also suffer from bronchitis, asthma, tuberculosis, lung cancer and other lung diseases, making the direct consequence of the decline or lack of lung function is to cause the body to get insufficient oxygen, and long-term oxygen deprivation and systemic chronic diseases are also inextricably linked. Therefore, it is urgent to improve lung function and lung maintenance.