Abstract: 【Abstract】: Objective Purpose:Analysising the reasons of A-V fistula plug in maintain hemodialysis patients and then to improve the care measures. Methods: Retrospective analysis the hemodialysis records of 109 patients in our hospital from Jan. 2011 to Dec. 2011. Results:There were 10 patients occurring A-V fistula plug(9.17%).Bad vascular conditions were 2,excessive ultrafiltration were 4,repeated fixed-point puncture were 3,and oppression improper was 1 of them all. Conclusion:Inappropriate care may cause the A-V fistula plug.