The internal medicine department of a hospital is usually composed of cardiology, neurology, endocrinology, nephrology, gastroenterology, respiratory medicine, hematology, rheumatology, and emergency medicine. There are also a great number of internal medicine examinations, depending on which ones the patient needs. Internal medicine examination includes heart examination, liver examination, blood examination, abdominal examination and kidney examination. Internal medicine examination includes most of the organs of the human body, and through internal medicine examination in hospitals, many diseases can be detected. Internal examinations are commonly used for ultrasound examinations, chest X-ray examinations, CT examinations and combined with auscultation examinations. So for common diseases, such as pneumonia, hepatitis, cholecystitis, nephritis, coronary heart disease, cerebral infarction, etc., hospital internal medicine examination and treatment are required. It is also recommended to have regular physical checkups.