Newborn babies with foamy stools are mainly considered to be caused by the following reasons: firstly, it is caused by cold, if the child is cold, the child’s stool will appear foamy, which is mainly due to the cold caused by the child’s intestinal peristalsis accelerated, which leads to the stool water is not fully absorbed. The second is due to indigestion, if the child eats too much milk, thus indigestion, the child will appear frothy stool. In addition, there are other symptoms such as undigested milk flaps in the stool. If the child has rotavirus enteritis, norovirus enteritis, or bacterial enteritis, the child’s stool can become foamy. In this case, the child can be tested for the appropriate indicators, such as rotavirus test or stool culture, can further clarify the specific cause of the child, so as to carry out targeted treatment.