If a child usually likes to sleep on his or her stomach, it is not necessarily due to accumulation of food. If a child sleeps on his or her stomach and has abdominal fullness and pain, undigested milk flakes or food in the stool, a very red tongue, a very thick and greasy tongue coating, and bad breath, this is often due to food accumulation. The child will sleep on his or her stomach to alleviate the abdominal discomfort, but in many cases, although the child sleeps on his or her stomach, the child does not have any symptoms of food accumulation. In this case, it is mainly due to the child’s internal heat constitution or due to the poor preference of sleeping position, for this case, parents do not need special treatment. As long as the child does not have the risk of suffocation, there is no need to intervene, but for children within 6 months, parents still let children sleep on their stomachs as little as possible. Because this age of children, often cause a great risk of suffocation.