Dry hard stool abdominal distension generally belongs to the performance of constipation, may be due to dietary factors, intestinal peristalsis slow, intestinal flora imbalance and so on. 1. Dietary factors: if the usual intake of fine food is more, and dietary fiber intake, and drink less water will lead to a lack of water in the intestinal tract, dry stools are difficult to discharge. 2. Slow intestinal peristalsis: mostly seen in the lack of exercise and the elderly, the elderly due to the decline in intestinal function, slow peristalsis, stool in the intestinal tract for a long time, water is reabsorbed caused by the phenomenon. 3. Intestinal flora imbalance: mainly the reduction of beneficial bacteria in the intestinal tract and the increase of harmful bacteria affects the intestinal environment, resulting in dry and hard stools and abdominal distension. Dry and hard stool abdominal distension, to adjust from the diet, eat more vegetables and fruits, drink more water, appropriate activities, if the symptoms continue to get no relief, need to consult a doctor in time.