Using the special needle (22 Gauze, 17 cm long, flexible needle) percutaneous transhepatic cholangiographywere performed in 23 cases at Seoul National University Hospital during the period from July 1973 to August 1974.The results were as follows : 1. Successful cholangiograms are obtained in 20 cases among the total of 23 cases.The 3 cases of the unsuccessful are two cases of sclerosing cholangitis and one case of hepatoma. 2. Averageattempts of puncture in successful case are 3. It was not necessary to puncture more than 6 times to visualizebiliary tree in dilated biliary tree. 3. Lateral approach (midaxillary line and 8th or 9th intercostal space) wasused. The advantage of this method was briefly discussed. 4. Over all complications are occured in 6 cases. 3cases : transient fever 1 case : bile leakage without peritonitis 1 case : local peritonitis probably due to bileleakage. 1 case : septicemia (the organism can not be detected even after blood culture)