The symptoms of saddle area occupancy are usually disabling manifestations of headache, dizziness, nausea, and vomiting. The main reason is that the occupying effect gradually compresses the peripheral nerves, thus causing. Another point is that because the saddle area is relatively special, there are many nerves and blood vessels around it, and if it presses on the visual cross, it may cause visual impairment, focusing on blurred vision and visual field loss. The most common manifestation is that the patient can often hit a door post or a lamp post when walking, which has been noticed by others, but not by the patient himself. Because this area is adjacent to the pituitary gland, it may compress the pituitary gland and cause abnormal endocrine function, sometimes resulting in hypothyroidism, such as mental depression, coldness, etc. This area should be distinguished from pituitary tumors, pituitary cysts, craniopharyngiomas, and chordomas.