Compared with ordinary X-ray, digital radiography has the following advantages: 1, rapid imaging, shortening the patient’s waiting time and examination time, and improving the satisfaction; 2, a larger tolerance range of filming conditions; 3, high image clarity, good contrast, which is conducive to the doctor’s diagnosis of the patient’s condition; 4, the doctor can be zoomed in according to the need to adjust the width of the window position of the window and a variety of other post-processing of the image to reduce the rate of diagnostic errors; 5, after filming the data can be transmitted to the doctor’s workstation to save, for clinicians to access online, and no longer need to develop film, more environmentally friendly and convenient. As the digital image is easy to store and transmit, it provides great convenience for hospitals to conduct remote consultation.