The occurrence of dry stool stuck in the anal opening is mainly due to irregular diet and life, but also does not exclude the emergence of anorectal diseases. A daily diet structure is unreasonable, too much fried, fried, dry food, insufficient intake of vegetables and fruits, too little water, etc., will lead to too little water in the stool, too dry, which leads to defecation difficulties. Second, unreasonable defecation habits, not to develop the habit of regular defecation, resulting in the stool in the intestinal tract for too long, water is absorbed, resulting in dry stool, defecation difficulties. Third, insufficient activity, long-term sedentary standing and squatting, resulting in insufficient physical activity, the intestinal peristaltic capacity is weakened, the symptoms of defecation difficulties. In addition, anorectal diseases, such as hemorrhoids, rectal polyps, etc. will cause the rectum to become narrower, defecation difficulties, and often accompanied by blood in the stool symptoms.