CT machine includes hardware and software structure. Usually we talk about the basic structure of the CT machine refers to the hardware structure. the basic structure of the CT equipment hardware: ① scanning frame system; ② scanning bed; ③ X-ray generation system; ④ data acquisition system; ⑤ computers and array processor (AP); ⑥ operating table and image display system; ⑦ multi-frame camera; ⑧ peripheral equipment.