And FLASH CT technology is currently the most advanced CT scanning technology, Flash scanning technology in the era of the post-64 layer, with the advantages of very fast scanning speed (up to 45cm/s) and radiation dose is very low (can be less than 1mSv). FlashCT scanning technology can be applied to cardiac coronary artery, pediatric coronary artery disease, systemic blood vessels and lungs and other parts of the examination.