Cerebellar cysts are currently divided into two main ways of removal, must be judged according to the situation, 1, commonly known as minimally invasive, mainly in CT positioning found cerebellar cysts, and a specific puncture point, the skin will be cut open to apply cranial drill holes, place a drainage line basically the end of the operation, for relatively poor physical condition or poor cardiopulmonary function of patients, the operation is relatively simple but The operation is relatively simple but easy to recur later; 2, craniotomy to remove, more traumatic but the effect is complete and rarely recur, the practice is to take the patient in a flat position on the surgical bed, cut the scalp to separate the skull, suspend the dura can see the cerebellar cyst, in the bipolar electrocoagulation and the help of the suction device to gradually separate the surrounding tissue, the small cyst will be completely removed after the hemostatic operation, the bone flap will be put back to suture the skin surgery can be completed.