There are two kinds of physiological factors and pathological factors for patients to have yellow urine. The physiological factors, first of all, if the body drinks less water and sweats more, it will cause the urine color to be dark, or recently take vitamin drugs, such as vitamin B, under the action of drugs will deepen the color of urine. Secondly, if the patient has been working under stress in recent times, the emotional state is in a state of tension for a long time, which will also lead to yellow urine. Pathological factors if the patient urinary tract infection, suffering from prostatitis, cystitis, etc., in the urine color deepened at the same time easy to appear urinary urgency, painful urination and other discomfort, you can take quinolones under the guidance of the doctor anti-infection treatment. Finally, consider obstructive jaundice, hemolytic jaundice and other diseases causing abnormal bilirubin metabolism, causing bright yellow urine, it is recommended that the machine patients drink more water in daily life, urinate regularly, and eat more fresh fruits and vegetables.