Objective To analyze the clinical treatment and curative effect of heart failure complicated with hyponatremia in elderly patients.Methods The clinical data were retrospectively analyzed in 72 aged patients with heart failure and hyponatremia,by controlling the intake of fluid and using diuretics and the drugs of heart failure,not restrict a low sodium diet,by adding sodium chloride,analyzed the effect and prognosis after moderate supplement of sodium for 7 days.Results The use of loop diuretics reduced cardiac edema,renew and sodium chloride without aggravating heart failure or hypernatremia,total effective rate was 95.83％,and it was safe and effective.Conclusion For the elderly patients with heart failure complicated with hyponatremia,should be based on the conventional symptomatic treatment of heart failure,correction of hyponatremia,improve cardiac function and prognosis of patients.