The causes of newborn stools with milk flaps are as follows: 1, physiological phenomena, newborn stools are unstable, can have thin stools, watery stools, can also have thick stools, some of the milk flaps belong to the normal phenomenon. If the child has no discomfort, no bloating, crying, and does not affect the child’s milk, growth and development, usually do not need to do special treatment; 2, a very small number of children pulling milk flaps may be caused by indigestion, because if the newborn lactose intolerance, there can be milk flaps in the stool, you can add appropriate lactase; 3, a small number of children add milk powder, or mothers drink dairy products will cause allergic reactions in children, may bloating, indigestion. Some children may have milk flaps, and some may even have blood in their stools. This situation needs to be dealt with in a timely manner and requires prompt consultation and diagnosis by a professional doctor. If there is a problem with the stool test, you need to deal with it in time and listen to the professional doctor’s guidance to do the treatment. If you are allergic to milk protein, you can avoid the diet, do not add artificial milk, it is recommended that the child is exclusively breastfed. If the mother eats dairy products, it is recommended to avoid them for a period of time.