Quitting smoking has many benefits, it can reduce the incidence of pneumonia, lung cancer, stroke, coronary heart disease and other diseases and mortality. And the spirit will be significantly improved after quitting smoking. Cigarettes have many harmful components, long-term inhalation will cause damage to the bronchial tubes and alveoli, leading to bronchitis, pneumonia, lung cancer, and will also induce coronary heart disease, cerebrovascular disease and other diseases. After quitting smoking, lung function will be improved, the respiratory tract will become healthier and healthier, and the incidence of bronchitis, pneumonia and lung cancer will be reduced. The chances of thrombosis in blood vessels will be significantly reduced after quitting smoking, the risk of stroke will be reduced, and the incidence and mortality of cardiovascular diseases such as stroke and coronary heart disease will be reduced. In addition, after quitting smoking, a person’s mental state will be greatly improved, and energy will also become abundant. There are many benefits of quitting smoking, and can improve the disease state of the body, it is recommended that people who smoke actively quit smoking, so that the body gradually restore the state of health.