©,　2015,　Journal　of　Xi＇an　Jiaotong　University　(Medical　Sciences).　All　right　reserved.Objective:　To　assess　the　effectiveness　and　safety　of　radiofrequency　catheter　ablation　for　idiopathic　ventricular　arrhythmia　in　patients　with　idiopathic　ventricular　arrhythmia　after　radiofrequency　catheter　ablation　treated　in　the　First　Affiliated　Hospital　of　Xi＇an　Jiaotong　University　based　on　the　follow-up　and　retrospective　analysis.　Methods:　We　retrospectively　analyzed　the　clinical　data　of　63　patients　with　idiopathic　ventricular　arrhythmia　who　underwent　radiofrequency　catheter　ablation　during　January　2008　and　March　2014　in　the　First　Affiliated　Hospital　of　Xi＇an　Jiaotong　University.　In　the　follow-up,　Holter　moniterings　were　reviewed　to　evaluate　ventricular　arrhythmia　and　echocardiography　to　assess　the　ejection　fractions　and　left　ventricular　end-diastolic　diameters.　Results:　The　immediate　success　rate　of　catheter　ablation　for　the　treatment　of　idiopathic　ventricular　arrhythmia　was　89.29%　and　the　long-term　success　was　82.14%.　The　ejection　fractions　and　left　ventricular　end-diastolic　diameters　were　not　obviously　improved　after　radiofrequency　ablation　(P＞0.05).　The　ventricular　premature　contractions　were　significantly　reduced　after　radiofrequency　ablation　(P＜0.05).　In　postoperative　care,　one　case　was　found　with　ruptured　sinus　valsalva　tumor　and　another　patient　was　found　with　the　complication　of　hematoma　in　femoral　artery　puncture.　Conclusion:　Radiofrequency　ablation　for　idiopathic　ventricular　arrhythmia　is　safe　and　effective.