Have stool can not pull out is usually constipation, its may be caused by bad habits, but also may be caused by the gastrointestinal tract functional lesions, gastrointestinal tract organic diseases. 1. bad habits: such as too little food, food calories are too high, less vegetables and fruits, less water can cause food to the intestinal stimulation; less exercise, sedentary, bedridden, etc. can cause intestinal dynamics weakened; as well as poor defecation habits, etc., can lead to constipation, which can lead to stool pull out. 2. Functional lesions of the gastrointestinal tract: such as functional constipation, constipation-type irritable bowel syndrome, functional defecation disorders, etc., can be caused by the failure to pull out the stool. 3. Organic diseases of the gastrointestinal tract: such as congenital megacolon, colon cancer, colon polyps, rectal cancer, rectal polyps, ulcerative colitis, Crohn’s disease, and various causes of intestinal stenosis or obstruction of the disease can lead to poop. There are many other causes of having bowel movements, which should be taken seriously, and timely consultation should be made to identify the cause of the problem, and further treatment or therapy should be prescribed by the doctor.