The baby has a fever when the jumping phenomenon: first of all, the child should be treated as soon as possible to reduce the fever, most likely caused by high fever fever convulsions. Especially if the body temperature is greater than 38.5℃, it is necessary to take antipyretic drugs, and it is generally recommended to take oral ibuprofen suspension or acetaminophen suspension. At this time, it is also necessary to take the child to the hospital for an EEG to check for epilepsy. If there is no epilepsy and no abnormalities in brain function, do not be too nervous first, the fever recedes and often the startle response can disappear. But you need to find out the cause of your child’s fever for targeted treatment, otherwise the temperature will rise repeatedly.