Whether a male diabetic patient can have a normal married life depends on the patient’s blood sugar control. If the patient can combine his condition and control his blood glucose level within the ideal range, it will have no effect on normal sexual life. However, if the patient fails to control his blood glucose well, it may affect normal penile erection and may have an effect on ejaculation and sperm quality. Normal penile erection in men requires adequate blood and nerve stimulation. Diabetes-induced microcirculation disorders and terminal nerve dysfunction may affect penile erection function, resulting in the inability to complete a normal sex life, this symptom is one of the common complications of diabetes. It is recommended that diabetic patients go to the endocrinology department of regular hospitals and receive treatment under the guidance of professional doctors.