Digital X-ray machine is also known as DR direct digital X-ray camera system. Digital X-ray machine is an advanced X-ray photography technology formed by the combination of computer digital image processing technology and X-ray radiation technology. On the basis of the original diagnostic X-ray machine direct film imaging, digital X-ray machine performs real-time image digital processing through A/D conversion and D/A conversion, thus realizing the number of images. Word conversion. Digital X-ray machine direct digital X-ray photography system has the advantages of clear image quality, fast imaging speed, and less radiation than traditional X-ray machine. Its appearance has completely realized the direct digitization of medical X-ray photography and become the mainstream digital equipment of modern radiology.