The authors analyzed 508 cases of geriatric anesthesia over 60 years of age out of 12, 153 cases of total anesthesia performed from January, 1970 to December, 1977 at our department of B.N.U.H. and the results were obtained as follows. 1) Of the total 12 153 cases508 cases (4. 2%) were over 60 years of age, and these were subdivided into 303 male(59.7%) and 205 female (40. 3%). 2) Among the 508 cases of geriatric patients, age distributions were 397 cases(78.2%) in the age group of 60-69,93(18.3%)in 70-79 and 18(3.5%) in over 80. 3) The techniques of anesthesia were 311 cases(61.0%) of general anesthesia, 188(37.2%) of spinal and 9(1.8%) of the combination of these two. 4) The anesthetics were halothane 182 cases(35. 8%), tetracaine 197(38. 8%), diethyl ether 78(15. 4%), nitrous oxide 34(6. 7%) and methoxyflurane 17(3. 3%). 5) In the section of surgery, 190 cases(37.4%) were General Surgery, 116(22.8) Urology, 53(10. 4%) OrthOpedic Sulgery, alld 42(8. 3%) Ophthalmology in order of numbers. 6) For the duration of anesthesia, 334 cases(65. 8%) were in 1 to 3 hours, 70(13. 8%) within 4 hours, 56(11. 0%) within 1 hour and 48(9. 4%) over 4 hours. 7) Operation on head-neck were 122 cases(24. 0%) chest-upper abdomen 150(29. 5%), lower abdomen 104(20.5%), perineum 81(15. 9%) and extremities 51(10.1%). 8) Elective operations(327 cases, 64.4%) versus emergency(181 cases, 35.6%) was about 1.8: 1.