Convulsions belong to the common symptoms of pediatrics, convulsions followed by fever does not belong to feverless convulsions, usually belong to heat convulsions. Convulsions can be divided into febrile convulsions and febrile convulsions, fever after convulsions belongs to febrile convulsions. Febrile convulsions are one of the more common types of pediatric convulsions, which may be caused by the less-than-perfect development of the child’s nervous system. After being exposed to abnormal stimuli, such as respiratory tract infections, convulsions may occur suddenly, and fever of 39 degrees Celsius or more may occur after convulsions. Febrile convulsions may be caused by intracranial disorders such as craniocerebral injury, hydrocephalus, neurocutaneous syndromes, epileptic syndromes, etc., or extracranial disorders such as hypocalcemia and hypoglycemia. During a seizure, there is usually upturned eyes, irregular breathing, purple lips, and generalized convulsions that last from a few seconds to a few minutes or longer, and shortly after the seizure stops, consciousness slowly returns. If the patient has a convulsion, do not be overly nervous, make the patient lying down, unbuttoned, keep the airway open, to prevent the foreign body into the trachea, and then must be sent to the hospital in a timely manner to seek medical attention.