Intestinal stones are a common clinical gastrointestinal disorder, generally the formation of intestinal stones for the following reasons: First, a long time to eat hard, greasy, indigestible food, will cause the digestive burden of the gastrointestinal tract significantly increased, a large amount of food in the intestinal canal stagnation, the formation of feces can not be discharged faster, can be formed in the intestinal canal stone like lesions. In elderly patients, the peristaltic function of the gastrointestinal tract is significantly weakened, and the food in the intestinal tract stays in the colon for too long, causing the water in the food to be excessively absorbed, resulting in dry stools and finally forming intestinal stones. Third, with anal fissure in defecation will have obvious anal pain, then the patient is afraid of pain dare not defecate, and in the long run will cause a large number of feces in the intestinal canal accumulation and the formation of intestinal stones.