The purpose of a conculation is to seek the opinions and advice of those whom we recognize to be more expert in a particular field of medicine than we are. Most surgeons regard the anesthesiolgist as a conculatant. Thus we analyzed 308 cases of interdepartmental consulatation submitted to our department from June 1991 to Novermber 1991. All case were elective ones and emergent cases were excluded. The analysis were as follow. 1) The overall conculation rate were 11.5%. 2) The highest rate of consultation were requested from orthopedic surgery department(29.9%) followed by ophthalmology department(25.0%), neurosurgery department(24.6%) and urology department(13.4%). 3) Male was 42.8% and female was 57.2%. 4) Most requestered problem was hepatic diseases including elevated transaminase, hepatitis and liver cirrhosis(35.1%) and then cardiovascular problem was 20.5%. 5) Because of our opinion, 22 cases were postponed. 6) Consultation rate increased according to advancing of age.