Urination refers to urination, the appearance of a great odor may be related to diet and drug effects, this situation is a normal physiological phenomenon. Long-term occurrence of this phenomenon, should also be alert to the possibility of pathological factors, including urethritis, diabetes, organophosphorus poisoning. 1. Physiological factors: (1) Dietary influences: consumption of garlic, chili peppers, asparagus and other stimulating foods can lead to the emergence of obvious odor in urine. (2) Drugs: the application of vitamin B and other drugs with a special flavor, after metabolism, can also appear in the urine odor phenomenon. 2. Pathological factors: (1) urinary system diseases: such as urethritis, cystitis, prostate cancer, bladder cancer and other diseases, can cause urine odor. (2) Hereditary diseases: such as diabetes, phenylketonuria, etc., can also trigger urine odor. (3) other diseases: organophosphorus poisoning, vesicoconjunctival fistula and other diseases, also can cause urine odor. If you can exclude the possibility of physiological factors, long-term symptoms, should be as early as possible to consult a doctor for examination and treatment under the guidance of the doctor.