Under normal circumstances, the baby should urinate about 4-6 times a day, if 1 day are not urinating that there must be a problem, you should go to the hospital as soon as possible to check the cause of the cause of treatment treatment. Common causes are the following: first, if you drink especially little water, eat less food, intake of water is especially low will also appear to urinate less. Second, there may be dehydration, in addition to reduced intake if there is a fever, sweating or diarrhea increased significantly, can lead to dehydration caused by decreased urination. Third, if there is neither fever nor vomiting, diarrhea with very little urine, we should pay attention to the urinary system problems, especially pay attention to kidney problems, kidney function is not good or urinary tract obstruction will appear 1 day without urination.