Five months baby urine may be physiological factors, urinary tract infections, diabetes and other factors. 1. physiological factors: high indoor temperature, the baby sweating more, not timely intake of body fluids, so that the urine is concentrated, which can lead to urine odor, body fluids enough to return to normal, do not need special treatment. 2. Urinary tract infections: such as urethritis or cystitis, due to the presence of inflammatory substances in the urine, can lead to urine odor, accompanied by frequent urination, urinary urgency, urinary pain and other symptoms. 3. diabetes: may be related to genetic factors, viral infections, environmental factors, can make the urine smell, and also accompanied by drinking, eating, urinating, weight loss and other symptoms. Five-month-old baby urine, and there are other abnormalities, parents are advised to take their babies to the doctor as soon as possible to avoid delays in treatment.