Babies drink a lot of water but less urine, mainly because babies have a lot of ways to discharge water, not only through the urine to discharge, babies in daily life, the respiratory frequency than adults, with the respiratory tract of the gasping process will emit a part of the water. The baby’s bowel movements to be more than adults, defecation will also take away part of the water, the baby crying, playing, sweating and other behaviors will also take away part of the water. So even if the baby drinks a lot of water, will also show a phenomenon of urine. As long as the baby drinks a lot of water, the whole body does not have any swelling phenomenon, at the same time diet and defecation are normal, parents do not need to worry. If you are really worried, you can go to the hospital to do urine routine as well as kidney function test, there is no problem to rest assured.