If a patient presents with a sensation of blockage in the middle of both chests, he or she can go to cardiovascular medicine, emergency medicine, or respiratory medicine, or to orthopedic surgery, general medicine, or general internal medicine. If the patient has a definite previous trauma or presents with contusions or stretching injuries to the surrounding soft tissues, he or she can be seen in orthopedic surgery. If the patient presents with blockage in the middle of both chests, accompanied by severe pain, dyspnea, and unstable vital signs, the patient should be quickly seen in the emergency department of the hospital. If the patient has a clear past history of coronary artery disease, he or she may go to the cardiology department if he or she has clinical symptoms such as chest tightness and shortness of breath. If the patient has a clear past history of pulmonary insufficiency, the patient can also be seen in the respiratory medicine department. If the classification and subspecialties are not clear in a non-tertiary care hospital, you can go to the general medicine department or the general internal medicine department for registration.