Abstract:Forty patients were given epidural anestheaia and retained the tube in the epidural space after operation. 0.15% Bupicaine (mixed with Droperido 1.25mg. Tramadol 25mg) were administered by the patient or the relatives according to the patient's demand. Result: All the 40 cases maintained perfect analgraia. The method is safe, simpe and no special installation is need.