Pediatric convulsions are involuntary paroxysmal strong contractions of the whole body or local muscles of the child, and the seizure form is mainly tonic, clonic and tonic clonic. There are many causes of pediatric convulsions, more common febrile convulsions, when children with high fever can be accompanied by convulsive seizures, generally the convulsions do not last long and can resolve on their own, severe cases may also appear convulsive persistent state. Electrolyte disorders such as hypocalcemia, hypomagnesemia, and calcium deficiency in children can also cause convulsions, mostly localized convulsions such as thighs or feet, and the symptoms of convulsions will be relieved after calcium supplementation. If a child has prolonged diarrhea, the magnesium in the body will be excreted with the stool, leading to low magnesium and triggering convulsions. Central nervous system infection, can show fever, convulsions, cranial hypertension symptoms; other such as intracranial hemorrhage, tumors, genetic metabolic diseases, etc. may cause convulsive seizures in children, if children suffer from epilepsy, tetanus, rabies and other diseases can also cause convulsions, if children have convulsive seizures need to promptly seek medical attention to identify the cause, timely intervention, targeted treatment.