For people who want to have a physical examination at the age of 50, the following items are recommended as mandatory tests: First, blood routine, urine analysis, stool routine, liver function test, blood lipid analysis, kidney function test, determination of hepatitis, etc. These are the most basic ones. Second, chest X-ray, but if combined with long-term smoking and family history of lung cancer, it is recommended to perform chest CT examination. Third, if there is gastrointestinal discomfort, such as abdominal pain, gastric ulcer, intestinal polyps, etc., it is recommended to perform gastroscopy and colonoscopy. If there are combined cardiovascular and cerebrovascular risk factors, such as hypertension, hyperglycemia, hyperlipidemia, etc., electrocardiogram, cardiac ultrasound, cranial MRI, ambulatory ECG, and coronary CT if necessary, are recommended. In addition, some ear, nose and throat related examinations can also be done.