Recently, eating less and having rotten stools may be caused by indigestion, enteritis, poor gastrointestinal motility and other reasons. 1. Indigestion: Consumption of greasy and other foods, overeating and other reasons, beyond the gastrointestinal tract’s ability to digest and absorb, can cause bloating, loss of appetite, stool abnormalities and other symptoms. 2. Enteritis: such as acute gastroenteritis, colitis and other diseases, because the intestinal tract is infected by bacteria, followed by diarrhea, loss of appetite and other symptoms. 3. Poor gastric motility: common in people with functional gastrointestinal diseases, there will be postprandial fullness, stool abnormalities and other symptoms. Recently eat less, stool rot may also have 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.