The technique for blood vessal transposition used in these cases, that don't need to use another materials. MATERIALS AND METHOD: To propose all of cases operated by us in Cho Ray Hospital from 1992 to Nov 2008 which are the left or right graft kidneys to have abnormal venous system and to take the right iliac fossa for renal transplantation. RESULTS: There were 34/148 (22.97%) rights, 114/148 (77.03%) left kidneys.