What causes one grain of stool?

A grain of stool may be due to weakness of the spleen and stomach, resulting in indigestion and slow intestinal motility, digested food residues stay in the intestinal tract for too long, so that the water in the stool is excessively absorbed by the intestinal mucosa, resulting in dry stool symptoms. It may also be due to lack of attention in diet, eating spicy, stimulating and greasy foods for a period of time, causing gastrointestinal fire and other factors, resulting in dry stool symptoms. It is recommended to pay attention to eating light, easy to digest, containing vitamins and fiber more food, such as eating bananas, sweet potatoes, celery, leeks, etc., eat more fresh vegetables and fruits, conducive to smooth stool, alleviate symptoms.