Normal carotid artery vessels, heart blood vessels are not necessarily completely normal, the two have a certain correlation, but not completely belong to the accompanying conditions. Carotid artery blood vessels are normal, showing that the carotid artery wall is smooth, no obvious wall thickening, calcification, lumen narrowing; but the cardiac blood vessel activity is more than the carotid artery, the possibility of damage is also greater, there are part of the population will be accompanied by cardiac vascular sclerosis, is not necessarily completely normal, there will be arterial wall thickening, calcification, lumen narrowing, which further leads to the myocardial blood supply is insufficient. Together, even if the carotid artery vascular examination is not a problem, it is still necessary to further investigate the condition of the heart blood vessels, and further treatment after the discovery of abnormalities. Clinically significant precordial pain and discomfort, the need to consult a doctor in a timely manner, under the guidance of clinicians for standardized treatment.