PET/CT and general body examination can early detect all kinds of small lesions of the whole body, especially early nausea tumor lesions that can not be found by other imaging equipment. It is the most advanced diagnostic and physical examination equipment at present, and is known as the "crown of medical high technology". German Siemens PET/CT: Biograph Vision light chaser, the inspection time is extremely short, use trace developer, the inspection is safer.