A small number of white blood cells in the baby’s stool is usually seen in the following cases: First, the most common is most intestinal viral infections, such as rotavirus, norovirus, coxsackievirus and other infections, there are often no white blood cells or only a few white blood cells in the stool. Second, it should be noted that some virulent bacterial infections, can appear in the stool only a few white blood cells, red blood cells are not much. Third, most non-infectious diarrhea, such as indigestion, food allergies, lactose intolerance, etc., because there is no infection there are certainly very few white blood cells in the stool, the intestinal mucosa is not significantly damaged, intestinal mucosal exudation is reduced or no exudation of white blood cells will be few.