Brain hernia is a very serious disease and its recovery process varies from person to person, including pupil recovery, reduction of neurological symptoms and recovery of consciousness. 1. Pupil recovery: After a period of professional treatment, most patients’ dilated pupils will gradually return to normal and respond to external light sources. 2. Reduction of symptoms of neurological impairment: brain hernia can cause head and neck tilt, limb straightness, back hyperextension and other symptoms of neurological impairment, which can be relieved if the patient is rescued in time. 3. Consciousness recovery: if the patient’s condition is more serious, then it is likely to fall into a coma, which should be timely through the surgery to treat it, if the rescue in time, did not cause irreversible damage, the patient’s consciousness will gradually recover. The treatment of brain hernia mainly includes dehydration, causative treatment and surgery, etc. Once the onset of the disease, first aid should be provided as soon as possible in order to avoid irreversible damage to the patient’s brain.