Physical examination chest X-ray mainly checks whether there are problems in the heart, lungs, chest cavity, mediastinum, large blood vessels and other parts of the body. Chest X-ray is a routine checkup item of physical examination. It is of great significance that tuberculosis, pneumonia, bronchitis, pneumothorax, lung cancer, rib fracture, emphysema and other diseases can be detected at an early stage through chest X-ray examination. It should be noted that chest X-ray examination has radiation, breastfeeding or preparing for pregnancy women are best not to do chest X-ray examination. If the chest X-ray examination reveals abnormalities, it may be necessary to further improve CT, fiberoptic bronchoscopy and other related examinations to further clarify the severity of the patient’s condition and develop a personalized treatment plan.