Abstract: With rolling out the multi-slice spiral CT, the ability of CT application is strongly enhanced, and CT scanner comes into the period of fast developing. In this paper, the representative Siemens CT new technologies, including Z-Sharp, SureView, spiral reconstruction algorithms and CARE Dose 4D and so on are introduced, which show the efforts of Siemens in CT innovation. The great success of Siemens 64 in the market has demonstrated its excellence.