Children with a fever of 39 ℃ convulsions, may be due to high fever convulsions, viral encephalitis and other causes, according to the actual cause of the disease, choose the appropriate treatment. 1. febrile convulsions: due to individual differences, the child’s central nervous system is not well developed, if the fever reaches 39 ℃, it will make the central nervous system abnormal discharge, resulting in the whole body or localized skeletal muscles to appear inactive convulsions, at this time should do a good job of the child’s safety, can be used under the advice of the doctor ibuprofen relief solution, acetaminophen and other antipyretic treatments, and timely supplementation of water. 2. viral encephalitis: if the child’s immunity is relatively weak, leading to disease-causing microorganisms invade the central nervous system, causing brain infections, which will make the intracranial pressure increase, the child may manifest high fever, weakness and other symptoms, later accompanied by general or localized convulsions, you can use mannitol, acyclovir, carbamazepine and other medications under the advice of a doctor. If the child’s fever reaches 39 ℃ and convulsions, it is necessary to go to the hospital in time for examination and symptomatic treatment. All of the above drugs should be used under the guidance of a doctor.