Dryness of bowel movement may be due to life and diet, such as low water intake, too fine food, and so on. It may also be due to intestinal diseases, such as intestinal swelling, intestinal flora imbalance, etc. 1. Dietary reasons: such as drinking less water, food is too fine, less exercise, etc. can lead to less stool residue, intestinal peristalsis slows down, thus triggering less stool and dry stool. 2. Disease causes: mainly rely on colonoscopy, stool routine and other tests for clarity. If the intestinal mass can have symptoms such as change of bowel habit, blood in stool, fatigue, etc.; if the intestinal flora imbalance can have symptoms such as abdominal distension and loss of appetite. For the situation of less bowel movement and dry stools, it is recommended to consult a doctor to analyze the situation. It is recommended to consult a doctor to analyze the cause of the condition.