Percutaneous transluminal angioplasty (PTA) is a non-operative therapeutic procedure to the dilaation of stenosis or to the recalization of occlusion in atherosclerotiv arteries using of dilatation catheters. PTA was performed 37 times in 34 patients with arteriosclerosis for 1 year and 4 months from March, 1982 to June, 1983 at department of radiology, Klinikum Barmen/west Germany. The results were as follows : 1. The male to female ratio was 2:1 and peak age range was from 61 to 70. 2. The most common indication was clinical stage 11 b with 19 cases (51.3%) 3. PTA was performed most commonly in superficial femoral artery in 25 cases (67.5%) 4. Acute major complication occurred in 2 cases (5.4%) PTA is a alternative or complementary therapeutic procedure to vascular surgery.