To see if there is heart disease, you can self-test from the following aspects: First, touch the pulse, normal people’s pulse beats very regular, the frequency is between 60-100 times / min, if the pulse beats very disorderly, the frequency is too low or too fast is a reaction to heart disease. Secondly, measure blood pressure, often measure blood pressure, if you find a sudden decrease in blood pressure for unknown reasons, pay attention to the presence of heart disease, early improvement of electrocardiogram and cardiac ultrasound. Third, pay attention to whether there are symptoms of heart disease, the most common symptoms such as chest pain, chest tightness, panic, various discomfort of the heart, related to activities, emotional excitement, eating too much, such as increased oxygen consumption of the heart muscle, symptoms appear with limb edema, pleural fluid, ascites, etc., pay attention to the examination of the heart, which may be a manifestation of heart disease.