Replacement of the aortic arch at the age of 40 generally has a good prognosis and does not affect the normal life expectancy of the patient, and the exact outcome of the treatment varies from person to person. The aortic arch is a continuation of the ascending aorta and is about 5-6 centimeters in length. It is located in the upper mediastinum behind the sternal pedicle and serves to regulate respiration and blood pressure, and contains a wealth of sensory nerve endings that sense stimuli from changes in blood composition and pressure. If the surgery is successful, take medication for a long time under the guidance of the doctor after the surgery, do not do strenuous exercise, mainly rest, eat more high-protein diet, such as milk, eggs, meat, etc., avoid greasy food, strong tea, coffee, etc., quit smoking and drinking, and maintain a good routine of living, which is conducive to the patient’s recovery. Postoperative discomfort symptoms, should be timely consultation, active treatment, do not use private medication, so as not to cause danger.