What department to see for aortic coarctation should be chosen according to the specific situation, including the emergency department, cardiology, cardiac surgery and so on. 1. Emergency Department: If the patient has severe pain in acute aortic coarctation, this is a very dangerous situation, often suggesting that the coarctation has ruptured, and at this time, the patient should be hospitalized in the emergency department in a timely manner. 2. Cardiology: Aortic coarctation is one of the most common diseases of the cardiovascular system, so when patients go to the hospital outpatient clinic, they may be assigned to the cardiology department. 3. Cardiac Surgery: For patients with more obvious symptoms, according to the results of their auxiliary examinations, the degree of pain, etc.. Patients may be classified into cardiac surgery for open aortic repair surgery or artificial blood vessel replacement surgery. The condition of patients with aortic coarctation is more dangerous, and they should go to regular hospitals in time to find out the cause of the disease and take targeted treatment under the guidance of professional doctors.