Cramps, also known as convulsions, are generally not harmful when a child has occasional feverish convulsions and is well cared for. However, frequent convulsions in children with improper care may cause some harm. Pediatric fever and convulsions are also known as febrile convulsions, if they occur occasionally, and during the convulsions have good care to prevent accidents, there is generally no harm to the child. However, if a child has frequent convulsions when he has a fever and does not take good care of himself during the convulsions, it may cause some harm to the child. Vomit or secretions discharged during convulsions, improper handling of secretions caused by aspiration, asphyxia, convulsions when parents forcibly pressed limbs, can cause physical injuries, such as fractures. Children with fever and convulsions repeated episodes or longer duration, may lead to brain cell hypoxia, brain development will cause damage, and then the child may be intellectually impaired, memory loss. The frequency of fever seizures in children decreases with age, but if they persist, epilepsy may develop. Pediatric fever and convulsions may have some harm, frequent convulsions should go to the hospital to check the cause of targeted treatment.