1, high safety Gamma knife treatment the whole process of patients in a state of consciousness, no direct cases of death in the treatment. The damage to normal brain tissue and important neural structures is also much smaller than craniotomy or even no harm, safety is very high. 2, short hospitalization The vast majority of patients treated with Gamma Knife can be discharged the next day, generally only need to be hospitalized for 3 to 5 days. There is no longer recovery period as surgery, the patient can quickly return to the physical state before treatment, the advantages of gamma knife treatment of trigeminal neuralgia are many. 3.Fixed treatment cost Will not increase the treatment cost during the treatment process, and will not increase the burden of the family because the treatment period is too long. 4, the efficacy of the treatment is predictable In most cases, the changes in the condition after treatment can be expected before treatment. The factors leading to sudden changes in the condition are far less than those of surgical treatment. The efficiency is over 90% and the cure rate is over 80%. 5.Less pain Most of them are one-time treatment, and the treatment ends on the same day; patients feel no obvious changes before and after the treatment, and are not affected by work and study. 6.Small trauma positioning framework is fixed on the skull, not penetrating the skull, after treatment only in the four fixed points on the scalp to form four pinhole-sized trauma, generally three days to heal, will not leave a scar affecting the appearance. 7, no bleeding because the gamma knife is not a real scalpel, will not directly damage the blood vessels and cause bleeding like craniotomy. 8, no infection Gamma knife treatment because of non-cranial, will not cause intracranial infection.