The authors analyzed statistically 1,147 cases of pediatric anesthesia (under age 10) performed at Ewha Womans University Hospital from January 1972 to December 1978. The results were as follows: 1) The most common age group was under 1-year old group and the overall ratio of male to female was 2:1. 2) The case frequency was highest in the Department of General Surgery (466 cases, 41%). 3) The most common site of operation was the head and neck area(37.7%). 4) It was the combination of atropine sulfate and meperdine that was commonly used as premedicants(28.9%). 5) For the induction of anesthesia the combination of thiopental sodium and succinylcholine chloride was mainly used(53.0%). 6) The use of halothane has statistically been increased as the main anesthetic(45.9%). 7) In the distribution of anesthetic methods the circle system was 33.7%, and the non-rebreathing system was 33.8%. 8) Of tatal cases those with physical status of ASA class l were 773 (67.4%). 9) There were little seasonal variations in case distribution. 10) Of total cases under age 1 the acpured disease was greater in frequency than the congenital disease.