If the fever burns the brain to become stupid, it may be due to the high temperature in the fever process and lead to convulsions, causing damage to brain cells, and some patients will also have symptoms of epilepsy, which will lead to the appearance of sequelae, most of which are difficult to completely reverse. First, active treatment of the primary disease is needed, such as infection requires the selection of the appropriate sensitive antibiotics for standardized anti-infection treatment, and also requires the selection of nerve-nourishing drugs for treatment, such as nerve growth factor, cytidylcholine injection or methylcobalamin, vitamin B1, vitamin B12 and other drugs, and also requires rehabilitation and psychological intervention therapy, through a comprehensive treatment approach to improve the patient’s symptoms, but it is difficult to achieve a complete recovery.