Renal IV DSA was applied to evaluate 15 potential renal donors and 14 examinations of 12 renal allograftrecipients,. We evaluate the angiographic acute or chronic rejection, alteration of renal size aftertransplantation, excretion time of the contrst media and pre, post DSA serum creatinine level. DSA is a safe,easily performed, out patient procedure and useful in evaluation and indistinguishing status surgical anastomosis,intrarenal vasculatures, arterial excertion time and rejection phenomenon.