Aneurysms are considered in bulging blood vessels of the heart. The occurrence of aneurysm is related to a variety of reasons, atherosclerosis is the main reason, atherosclerosis will lead to the destruction of local tissues, and aneurysm can be formed under the effect of intravascular pressure; infection and trauma can also lead to vascular wall damage to the occurrence of aneurysm; a small number of patients may be congenital diseases, such as Marfan syndrome. Symptoms of aneurysm are related to the size and location of the aneurysm. Thoracic aortic aneurysm can lead to chest pain and tightness in the chest, and compression of esophagus can lead to difficulty in swallowing; abdominal aortic aneurysm can lead to abdominal pain, and part of the patients can show lumbar pain. Patients with aneurysms should go to the hospital in time to clarify the exact location and severity of the aneurysm, and be given surgical treatments if necessary, and if they feel unwell, they should go to the hospital in time to consult a physician.