If a child has an ordinary fever, it usually does not burn the brain; if the fever is persistent and causes febrile convulsions, it may cause damage to the brain, which is commonly known as brain damage. For ordinary fever, the body temperature is usually not more than 40 degrees, will not cause significant damage to the child’s brain central nervous system, so generally will not burn the brain. But for children with persistent high fever, body temperature above 40 degrees, not timely treatment may cause febrile convulsions, which will have a greater impact on the child’s brain central nervous system, and even cause irreversible damage. Children with fever, the need for timely cooling treatment, if necessary, can follow the doctor’s instructions to take ibuprofen, acetaminophen and other drugs antipyretic treatment, at the same time false clear cause of the targeted treatment, so as not to delay the condition.