Heart disease and breathlessness should be treated with heart pills or isosorbide mononitrate to control coronary artery ischemia, dilate coronary arteries to improve the blood supply to the heart muscle, pay attention to rest, preferably in bed, to see if there is any improvement. If not, you need to go to the cardiology department of the hospital, let the doctor carefully check the body, do an electrocardiogram, test the cardiac enzymes, as well as do cardiac ultrasound, cardiovascular angiography, through coronary angiography can look at the ischemia of the myocardium, clear the cause, and then do further targeted treatment. Sometimes too much anxiety and anger can also cause lack of blood supply to the heart muscle, causing lack of breath, or regular late nights and excessive exertion can also cause.