Meningioma is one of the conditions that are better treated with Gamma Knife. The advantages are relatively simple and clear diagnosis, good treatment effect, and safer compared to open surgery without the risks of anesthesia, bleeding, infection, and non-healing. Choice of indications: Gamma knife can be the first choice of treatment for meningioma fractions as long as the diameter is less than 3 cm. For older, weaker, poorer systemic condition, unable to tolerate anesthesia or surgery, or for patients with high safety requirements and serious resistance to surgery, gamma knife treatment can achieve curative results. Meningioma treatment with Gamma Knife has been applied to tens of thousands of cases, the vast majority of results are very good. Especially for craniotomy difficult skull base meningioma, less trauma, less recurrence, the advantages of improving the quality of life after treatment is obvious. The advantages of the imported MedicalTech head gamma knife are precision and stability, so it is more certain for meningioma of the optic nerve sheath, which is difficult to be covered by domestic gamma knife; for meningioma of the skull base, brainstem parietal and venous sinus parietal, more precise treatment can also be obtained, thus achieving less risk of side effects and more satisfactory results.