Patients with heart disease should not eat crabs as much as possible, especially crabs that contain crab yolk, which can increase the level of blood lipids. So if the heart patient is coronary heart disease, then try not to eat this kind of crab, and some people with heart disease may also have an increase in uric acid, and crab will increase uric acid. Other people like dilated cardiomyopathy, hypertrophic cardiomyopathy or alcoholic cardiomyopathy can eat some crabs because the lipid requirements of these people are not so high, but people with coronary heart disease or ischemic cardiomyopathy should not eat crabs. People like those with high blood pressure, high blood sugar, high blood lipids, and high uric acid are also better off not eating crab. You must be careful not to overexert yourself in order to prevent the induction of angina or heart failure.