Aortic widening is dangerous and mainly affects the blood vessels and the heart. The effect on the blood vessels can lead to atherosclerosis of the aorta, thickening, hyperplasia and luminal narrowing of the vessel walls. The main causes of aortic widening are hypertension, hyperlipidemia, recurrent bacterial infections and heart valve disease, especially in the elderly, poor blood metabolism, more impurities in the blood vessels, increased oil and grease, increased cholesterol, increased LDL, etc. can lead to aortic widening. The aortic widening will lead to cardiovascular diseases, which will be clinically manifested as headache, dizziness, blurred vision, numbness of limbs, palpitations, chest tightness, blue lips, weakness, drowsiness, sweating and other symptoms. Aortic widening belongs to both a cause and a disease, which can be treated surgically depending on the value of widening when it is a disease, and needs to be actively prevented and treated when it is a cause.