Patients with brain burnout may experience brain dysfunction, irritability, twitching of the limbs, and unconsciousness. Brain burn is when the body temperature is at its peak for a long period of time, above 39 or even 40 degrees Celsius, and the high fever can lead to damage to the brain cells, which may cause the corresponding symptoms. When the brain burns out patients will appear brain dysfunction, such as cognitive impairment, intellectual disability, etc.; may appear restlessness, agitation and other mental symptoms; will also appear limb convulsions, muscle spasms, foaming at the mouth and other epileptic symptoms; the condition is serious can appear consciousness disorders, manifested as lethargy, lethargy, coma and so on. When a high fever occurs, you should consult a doctor in time, follow the doctor’s instructions to give antipyretic treatment and actively treat the original disease, so as not to delay the condition.