In Japan, number of elderly people with type 2 diabetes mellitus are increasing. The purpose of care and management for diabetes mellitus is a prevention of chronic complications and maintaining longevity and quality of life. This purpose does not change even in elderly people with diabetes. Diabetes mellitus is an established risk factor for stroke. In this review, we described clinical characteristics of stroke in elderly people with diabetes. There is a possibility that several features in the elderly patients are different from those in the non-elderly subject with diabetes. Stroke strongly affects prognosis of patients including quality of life. It is necessary to understand the characteristics of elderly people with diabetes and the way for the management of diabetes.