The causes of cardiac aortic coarctation rupture are as follows: 1, damage to the aorta due to hypertension, external force, trauma, etc.; 2, easier to become brittle after atherosclerosis of the aortic vessel wall or partial rupture of the trophoblastic vessels; 3, hereditary factors, Marfan’s syndrome and aneurysm, etc. Cardiac aortic dissection is a more dangerous disease, once the chest pain is severe and tear-like, need to immediately seek medical attention, so such patients have a higher risk of cardiac death, and the mortality rate increases by 1% for each hour of delay in treatment.