Epidermoid cysts of the brain, at present the most important way to remove, or surgical treatment. Generally speaking, it means that the patient lies flat on the surgical bed, and after the general anesthesia is satisfied, the scalp is cut along the hairline, and then the skull is opened, the dura mater is suspended, and the cysts are found in the center of the skull through some specific cavities, and then suction, bipolar electrocoagulation, and other auxiliary equipments are applied to separate the cysts appropriately and cut off the blood supply, and the cysts can be removed completely. The epidermoid cyst can be removed completely. However, it is important to note that nerves and blood vessels may be involved, and in some cases, vascular anastomosis is required. Therefore, meticulous care must be taken during the separation process, and attention must be paid to hemostasis to prevent bleeding again after the operation. After the removal, the operation is basically finished, the skull is restored and the scalp is sutured, and the patient is returned to the general ward for further monitoring and treatment.