Objective:To analyze the complications of maintaining hemodialysis to improve the survival rate.Methods:50 cases of maintaining hemodialysis in our hospital were selected and their common complications were analyzed.Results:Common complications were hypertension,enlarged heart,low blood pressure,arrhythmia,nausea,vomiting,chest infection and heart failure.Conclusion:In the patients with long-term hemodialysis,the survival rate is reduced because of various complications.But the complications can be effectively controlled by active prevention and full dialysis.