Pineal cyst is a kind of intracranial space-occupying lesion, all for intracranial space-occupying lesion its surgery firstly must make the patient to set a suitable position, so as to be able to facilitate the operation. Secondly, it is necessary to choose the appropriate surgical approach, that is, which kind of surgical incision can make the tumor more fully exposed and the operation easier to carry out. Finally, after the incision is made, the skull is dissected, and only after the skull is dissected, the next step is to cut through the layer of cerebral tissue surrounded by the meninges, commonly known as dura mater, so as to make the field of vision exposed clearly and the operation easier to carry out, and then finally, it is separated layer by layer, and then it will be removed to reach the site of the disease and carry out the resection of the tumor. The surgery requires general anesthesia and close monitoring of the patient’s vital signs during the operation.