Foamy stool may be caused by enteritis, indigestion, intestinal dysfunction and other reasons. 1. Enteritis: due to various causes of intestinal inflammation, its clinical manifestations mainly include fever, vomiting, nausea, diarrhea, abdominal pain, dilute watery stools, mucus, pus and blood stools, foamy stools and other symptoms. 2. Dyspepsia: generally refers to recurrent or persistent epigastric discomfort. It usually also includes symptoms such as early satiety, postprandial fullness, abdominal distension, anorexia, vomiting, nausea, and foamy stools. 3. Intestinal dysfunction: Irregular diet and mental factors such as bad mood can lead to intestinal dysfunction, and then the symptom of foamy stool. Foamy stool may also have other causes, it is recommended to go to the hospital in time, improve the examination to clarify the cause of the disease, and then give targeted treatment or treatment under the guidance of the doctor.