Cyber knife, also known as “stereotactic radio wave surgery platform”, also known as “cyber knife” or “computer knife”, is the world’s latest type of whole-body stereotactic It is the world’s newest whole-body stereotactic radiosurgery treatment device. It can treat tumors in all parts of the body and can kill tumor tissues with only one to five irradiations, which is the only form of whole-body radiosurgery with the advantages of “no wound, no pain, no bleeding, no anesthesia and short recovery period”. Due to the extreme precision of the CyberKnife System, there is no need to implant stents in the head or other parts of the body to prevent the patient from moving during treatment.