Poor stool is caused by a variety of reasons: first, poor diet can easily cause the phenomenon of bad stool, usually bad eating habits, there is overeating and overeating, or intake of a lot of spicy and raw cold and other stimulating food, will cause adverse effects on digestion and defecation, easily cause constipation or even the phenomenon of dry stool. Secondly, indigestion and gastrointestinal dysfunction can also have a bad effect on bowel movements. Indigestion or gastrointestinal dysfunction can easily slow down the peristaltic movement of the intestines, thus preventing the normal decomposition and absorption of food, resulting in a large amount of food residue, which can eventually lead to diarrhea and unformed stools. Finally, digestive system pathologies can also cause poor stool, including chronic gastritis and gastric ulcer, various enteritis, etc. can affect the formation and discharge of feces.