The chances of fever and convulsions in young children after an encephalitis convulsion are relatively high, which is related to the complications caused by low immunity after an encephalitis convulsion, and it is necessary to strengthen the daily care of young children and gradually enhance the resistance, which will help reduce the chances of fever and convulsions. Young children’s encephalitis belongs to the central system infection, the condition is relatively serious, young children’s encephalitis treatment may leave varying degrees of sequelae, encephalitis sequelae can cause impaired neurological function manifestations, mental anomalies, disorders of consciousness, epileptic seizures, cognitive dysfunction, movement disorders, and other symptoms, which will have a significant impact on the young children’s daily life and immunity. Therefore, the possibility of fever and convulsions after encephalitis convulsions in young children is relatively high, and it is necessary to increase nutrition appropriately, do a good job of daily monitoring, and find abnormalities in time to avoid delaying the condition.