Aortic node protrusion, also called aortic node dilatation, is a condition in which the aorta is larger than normal, resulting in tortuous and distorted aorta. There are many causes of aortic node protrusion, such as Marfan’s syndrome, heart valve disease, dilated cardiomyopathy, myocarditis and coronary artery disease, myocardial infarction, etc., which may cause aortic node protrusion, if this occurs, go to the hospital for a heart ultrasound, through the heart ultrasound can understand the inner diameter of the aortic wall and the degree of tortuosity, calcification, protrusion, if the protrusion is more serious, surgery is recommended. If the protrusion is more serious, surgical treatment is recommended. The surgical treatment is aortic replacement, which replaces the original unhealthy aorta with an artificial blood vessel to achieve the purpose of human health.