The sequelae of pituitary surgery mainly include: 1, uremia, if the cyst is located in the pituitary gland area, there is a possibility of damage to the pituitary stalk during surgical operation, if the damage to the pituitary stalk, it may cause uremia, but most of the patients with uremia can be cured, and only a very small number of patients will be left with permanent uremia. 2, cerebrospinal fluid leakage, mainly due to the surgical process of the dura mater, which is damaged. Cerebrospinal fluid flows out of the ears and nasal cavity.3, intracranial infection, because the brain cyst surgery is a craniotomy, intracranial operation of the surgery, there may be intracranial infection.4, epilepsy, after craniotomy, due to the formation of scarring of the brain tissue, resulting in abnormal brain discharges, which can cause epilepsy.