The severity of pulmonary aortic sclerosis may be greater or lesser and requires a combination of factors to be considered together. Pulmonary aortic sclerosis is in fact thoracic aortic sclerosis, belongs to a relatively common chest imaging changes, most people are older, plus long-term high blood fat, high blood pressure of the underlying disease leads to. Aortic sclerosis is also a systemic disease, with thoracic aortic sclerosis, aortic vascular disease in other locations of the body are hardened, only to varying degrees. Most cases of thoracic aortic sclerosis are not serious and only require control of the underlying disease. However, in severe cases of aortic atherosclerosis, severe narrowing of the blood vessels will be formed, affecting the blood supply to the distant parts of the body, and it is easy to form vascular damage leading to aortic coarctation, intermural hematoma of the aorta, etc. in case of a sudden increase in blood pressure, which will result in severe chest pains, and may lead to sudden death by rupture of the blood vessels within a short period of time.