If you drink a lot of orange juice, it may make the urine change to yellow. Orange juice contains mainly water about 88.6%, followed by a substance called riboflavin, the content is also higher in similar products. When excessive intake of orange juice, and the body is too late to digest and absorb it, riboflavin will be metabolized to the urine, so that the urine produces yellow phenomenon. So excessive intake of orange juice is possible urine yellow, and sold orange juice contains too much sugar, should not drink too much, easy to lead to obesity. Generally yellow urine after a period of time can be restored, without special treatment. However, yellow urine can also be caused by urinary tract infection, jaundice, bile duct stones, cirrhosis, hemolysis and other diseases, so when persistent yellow urine or other discomforts, you need to consult a doctor in a timely manner, by the doctor to give targeted treatment.