We have analyzed 247 patients who were admitted to the 3rd ICU for intensive care between January 2003 and December 2003 to investigate characteristics of ICU patients and obtain better guidance and management in the ICU. The results are as follows: 1) The total number of patients was 247. The proportion of males was 59.1 %, of females was 40.9%, and the ratio of male to female was about 1.45:1. 2) The most prevalent age group is those in their seventies, the proportion is 33.6%. 3) The total admission days was 3,438days, and mean patient stay being 13.9days. 4) The total number of expired patients was 26, the mortality rate was 10.5%. The mortality in distribution by disease was higest in Cerebral infarction, rate was 53.8%. the proportion of raised intracranial pressure was 42.3%, of hemorrhagic transformation was 11.5%. 5) In distribution by admission channel, Oriental hospital E.R. was 60.7%, Oriental hospital ward was 38.5%, and etc. was 0.8%. 6) The number of patients of Cerebral infarction was 146(59.1%), being the highest in distribution by chief disease and the proportion of MCA territory infarction is highest in the Cerebral infarction(61.6%). 7) In distribution by Oriental Medicine therapy, the proportion of Acupuncture treatment was 15.8%, of Acupuncture treatment combination Herb medication was 78.5%, and of Acupuncture, Herb medication plus subcutaneous Acupuncture treatment was 5.7%.