64-row spiral CT refers to the detector rows up to 64 rows of detector CT machine, the detector is to detect changes in the body’s X-rays through the hardware equipment, and low-end CT compared to, for example, and 16-row CT comparison, the advantages of its scanning speed, high quality imaging, and its biggest advantage is to be able to do the coronary artery cardiac examination. 64 rows after the application of the clinical application for the majority of suspected coronary artery disease patients to provide a better After the application of 64-row to the clinic, it provides a better examination method for most patients with suspected coronary heart disease, and also has an important value for the early detection of coronary heart disease. With the development of CT equipment, there are more high-end 128-row CT, 256-row CT, and dual-source and other high-end equipment used in clinical practice to better serve patients.