Abstract: Objective To summary and analysis of the surgical treatment and effect of tricuspid valve infective endocarditis.Methods The clinical data of 51 patients with right heart infective endocarditis treated by cardiovascular surgery were retrospective analyzed.All patients underwent extracorporeal circulation of neoplasm removal，combined with cardiac deformity correction and tricuspid valve surgery，postoperative antibiotics for 2～4 weeks.Result Secondary thoracotomy in one patient postoperative bleeding，one of patients with postoperative year mitral valve vegetations，one of patients with postoperative March intermittent fever lasted 4 years again three tricuspid valve vegetations two operation，one of patients with subarachnoid hemorrhage，acute kidney injury，sepsis，referral.50 cases of patients were cured and discharged，followed up for 6 months to 13 years，the symptoms of heart failure were obviously improved and 2 cases had relapsed.Conclusion Surgery can effectively treat tricuspid valve infective endocarditis caused by congenital heart disease，valvular disease or heart surgery，and get satisfactory results.

Key words: endocarditis, tricuspid valve, cardiovascular surgery