ObjectiveTo study the clinical features, therapeutic efficacy and influencing factors of sudden deafness (SD) in the elderly.Methods87 SD patients aged more than 60(years) were included and 98 young and middle aged SD patients were selected as control.ResultsDescending hearing curve was common in the elderly group, while ascending and flat curves appeared frequently in the control group. Excellent therapeutic effect was obtained in both groups. But statistical analysis showed significant difference between the two groups, including the total healing rate and effective rate(P<0.05). The results also showed the incidence of cardiovascular diseases in the elderly group (54.02%) was higher than that in the control group (26.53%).ConclusionsSenile SD patients are often accompanied by other health problems which may be the cause of their deafness. Fatigue and emotional fluctuation are the leading causes of SD in middleaged and young patients. Multiple factors can influence the prognosis of this disease in the elderly.