VitalBeam is one of the most advanced radiotherapy equipment produced by Varian Company in the United States. It has the characteristics of high performance, high precision, high intelligence and low damage. It can kill tumor cells to the maximum extent, minimize the chance of damage to the surrounding normal tissue, meet the needs of different tumor patients in radiotherapy, and has the characteristics of quick effect, good curative effect and few side effects. Clinical treatment can achieve high requirements such as fast positioning and accurate treatment, which is regarded as the "ultimate weapon" in the field of tumor precision therapy.