The cause of insufficient blood supply to the penis due to diabetes may be the complication of diabetic vasculopathy, which should be treated by controlling blood glucose and improving blood circulation at the same time. Diabetic vasculopathy is easy to violate the aorta, coronary arteries, renal arteries, etc., when violating the cavernous arteries of the penis, it is easy to cause insufficient blood supply to the penis. Treatment is to control blood sugar, commonly used drugs are metformin, insulin, etc., and at the same time to improve circulation treatment, commonly used drugs are pancreatic kininogenase, prostaglandin, etc., the drug should be used under the guidance of a physician. Patients with hypogonadism, it is recommended to seek timely medical treatment, under the guidance of the doctor for relevant examinations and targeted treatment.