Nonoperative residual biliary stone removal through the T-tube sinus tract was performed in 9 patients by using steerable catheter and basket under fluroscopic guidance and the result was satisfactory. There is no significant complication or morbidity. We concluded that this method is 1. easy of performance, highly successiful and of no demonstrable risk. 2. can be performed without ay medication and in out-patient department. 3. the method of choice of treatment in post-op residual biliary stone with T-tube.