Under normal circumstances 5 months baby’s urine should be clear, or light yellow, if the baby appears yellow urine to pay attention to the following aspects of the situation: 1, to pay attention to the baby may be because of reduced feeding, such as eating milk eating less urine will be reduced, urine concentration, color deepening manifested as yellow urine. 2, to pay attention to whether the impact of drugs taken in the disease, such as taking vitamin B, it may appear urine 3, to focus on whether the baby has liver and biliary problems, especially a variety of liver and biliary diseases caused by significantly higher bilirubin, especially combined with increased bilirubin mainly, can be discharged by the urine, so the color of urine becomes more yellow. If the cause of your baby’s yellow urine is not quite clear, you should still go to the pediatric clinic as soon as possible to find the cause and treat it for the cause.