There are several cases of yellow urine: first, may be caused by the recent low water consumption, under normal circumstances the color of urine is light yellow, drink more water, at least 800 ml of water every day. Second, may be the symptoms of urinary tract infection, you can take cephalosporin anti-inflammatory drugs for treatment, eat more light food in the diet, do not eat chili, onion, ginger, garlic and other irritating food, and at the same time to develop good habits, avoid holding urine for a long time. Third, there may be urethral inflammation or bladder inflammation. In addition to the above cases, do not exclude the phenomenon of abnormal kidney function, should promptly go to the urology department to do routine urine examination to confirm the diagnosis of the condition, and then do the corresponding treatment.