Patients with diabetes who have chronic complications generally have a life expectancy of five years or more. Because medical technology is now more advanced, the treatment of diabetes complications has advanced drugs and advanced treatments that allow patients with diabetes complications to have a better quality of life. The main common complications of diabetes are fundus lesions, kidney lesions, peripheral neuropathy, and macrovascular lesions. Patients with diabetes mellitus complicated by renal failure can generally live for more than five years after regular dialysis treatment, and patients with diabetes mellitus combined with cardiovascular disease can also expect to live for more than five years after timely treatment and good recovery.