Diabetes odor may be caused by physiological factors, but also may be caused by diabetic ketoacidosis, diabetic autonomic neuropathy, diabetic foot and other disease factors. If it is caused by pathological factors, it is recommended to consult a doctor in time. 1. Physiological factors: do not pay attention to personal hygiene, do not like to take a bath and other situations may cause odor. 2. Disease factors: diabetic ketoacidosis episodes can occur when the breath rotten apple flavor, resulting in odor; diabetic autonomic neuropathy can occur when the sub autonomic dysregulation, resulting in urinary incontinence and other conditions, when the urine uncontrolled discharge may be odor; diabetic foot can occur when the foot of infection, ulcers, especially anaerobic infections can be an unpleasant odor. Diabetic patients with odor are advised to go to the hospital after eliminating physiological factors.