Sequelae of pituitary tumor will occur: hormonal complications, vision problems, cerebrospinal fluid nasal leakage. 1. Hormonal complications: patients with hormonal disorders in the pituitary gland due to pituitary tumor may suffer from low hormones, electrolyte disorders, urolithiasis and other sequelae. 2. Vision problem: the growth of pituitary tumor may damage the optic nerve, resulting in impaired vision; too large pituitary tumor may cause optic nerve compression, resulting in optic nerve edema causing vision loss. 3. Cerebrospinal fluid nasal leakage: the growth of pituitary tumor breaks through the saddle diaphragm may lead to cerebrospinal fluid nasal leakage, which will lead to the discharge of bright cerebrospinal fluid from the nasal cavity, and cerebrospinal fluid nasal leakage repair is needed if necessary. Patients should seek medical treatment when the sequelae of pituitary tumor appear, so as to avoid delaying the condition, and if necessary, surgical resection is needed.