The clinical manifestations of increased intracranial pressure can be categorized into typical symptoms and accompanying symptoms as follows: 1. Typical symptoms: the typical symptoms of increased intracranial pressure are headache, vomiting and optic disk edema. The location of the headache is not fixed and worsens with the increase of intracranial pressure. Vomiting is often severe and may be jet-like. Optic disk edema may be manifested as blurring of the edges of the optic disk, congestion of the optic disk, and in severe cases, blindness may occur. 2. Accompanying symptoms: When the intracranial pressure increases, there will be impaired consciousness, and with the progress of the disease, there will be coma, de-cerebralization and other serious manifestations. At the same time, the respiration will become deep and slow, the blood pressure will increase, and the pulse rate will become slow. Increased intracranial pressure can also stimulate the vestibular nerve, resulting in tinnitus. In severe cases, numbness of the limbs or intracranial infections may occur. The manifestations of increased intracranial pressure are mostly as described above, due to individual differences, there may also be cerebral edema, cerebral hernia, gastrointestinal bleeding and so on, the phenomenon of increased intracranial pressure should be timely medical treatment as soon as possible.