Smoking is one of the initiating factors for atherosclerosis, and the only preventable and controllable measure when compared with risk factors such as hypertension, hyperlipidemia, and diabetes mellitus is to quit smoking. Compared with the standard treatment of coronary heart disease. Smoking cessation reduces the mortality rate of coronary heart disease by 36%, much higher than other drugs. Today at 1:30 am our anti-hospital performed emergency stenting for a 34 year old guy who had an acute extensive anterior wall myocardial infarction and came to our emergency clinic 30 minutes after the onset of the disease, and within 60 minutes we opened the occluded left anterior descending vessel and saved his life in time. His only risk factor was smoking.