RESUMEN
Total of 311 cases who were admitted to pediatric departmenr of Kyung Hee University Hospital from October, 1971 to December, 1975 were studied clinically about the cases in various age group. The results are as follows. 1) Convulsion was most frequent in children between 6months and 3years (38%), but it was least frequent in children from 10years to 15 years (7%). 2) The most common cause of convulsions in children was febrile convulsion(30.5%). 3) Tetanus (50.9%) was most frequent cause of convulsion in the neonatal period. 4) Febtile convulsion was most common in infants from one month to six months. 5) The most common cause of conculsions in infants from six months to three years was febrile convulsion (47.8%). 6) In children more than three years of age, idiopathic epilepsy was most frequent cause of convulsion (3 to 10 years and 10 years to 15years , 36%, 72.7% respectively).