DR, or digital radiography, is a radiology examination that can be used to examine the chest, abdomen, vertebrae, bones of the limbs, and other parts of the body. Digital radiography is currently a common clinical imaging aid. Common such as fractures, pneumonia, stones, perforation and so on. 1. Chest digital radiography is mainly used to determine whether there is lung inflammation, lung space-occupying lesions, pneumothorax, rib fracture and so on. 2. Abdominal digital radiography is mainly used to determine whether there is perforation of the digestive tract, intestinal obstruction and so on. 3. Vertebral digital radiography is mainly used to determine whether there are vertebral fractures. 4. Craniofacial X-ray examination, such as determining whether there are fractures in the skull and nasal bone trauma. 5. Bone and joint examination of the limbs, digital X-ray examination is used to determine whether there is a limb fracture, joint cavity with or without fluid and bone spur formation. Routine digital radiography does not require fasting before the examination, pregnant women generally can not line check digital radiography.