The acidic odor of the child’s stool is generally due to indigestion and so on, and may also be acute enteritis and other diseases. 1. indigestion: because of age, the child’s own digestive system is not very well developed, so it is easy to have indigestion. Indigestion often leads to symptoms such as a sour odor in the stool. 2. Acute enteritis: Acute enteritis may be the result of the child’s stool odor, often accompanied by nausea, vomiting, crying, fever and so on. The child’s stool has a sour odor, there may be other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.