The heart is the most important organ of the human body, in charge of the life of the human body, is the largest circulatory system of the human body. For the protection of the heart is not to stay up late, not to strenuous exercise, cultivation of the body to nourish the heart has a very good effect, to avoid emotional factors lead to heart discomfort, so reasonable control of their emotions, for the heart can play a protective role. Normal healthy people should develop a good state of mind, not to panic about everything, calmness is the biggest test of the heart, can reduce the chances of heart disease. Patients with heart disease need to protect the heart at all times, patients with high blood pressure need to control blood pressure, patients with insufficient blood supply to the heart muscle need to expand blood vessels, nutrition of the heart muscle, reduce the damage to the heart, appropriate exercise. The resting heart is more able to play a role in protecting the heart, regular physical examination of the body, testing the heart electrical activity.