Clinical manifestations of cerebellar tentorial incisional herniation include symptoms such as increased intracranial pressure, altered consciousness, altered pupils, movement disorders, and disturbed vital signs. 1. Increased intracranial pressure: manifested by severe headache and frequent vomiting unrelated to eating. The degree of headache progressively aggravates with agitation, and optic nerve papillae edema may also appear. 2. Alteration of consciousness: patients may have drowsiness, light coma or even deep coma. 3. Pupillary changes: at the beginning, the affected side of the light reflex is sluggish, and the pupil is narrowed, and then the affected side of the motor nerve is paralyzed, the direct and indirect light reflex is lost, and the pupil is dilated. When brain herniation affects the blood supply of the brainstem, the pupil can be dilated bilaterally and the light reflex disappears. 4. Motor disorder: manifested as weakening of muscle strength or paralysis of the limbs on the opposite side of the lesion. 5. Vital signs disorders: manifested as pale or flushed face, profuse sweating or closed sweating, slow heart rate, irregular respiration, body temperature does not rise or is as high as 41 ℃ or more. When the patient has the above symptoms, he/she should go to the hospital in time and receive standardized treatment under the guidance of the doctor.