The residual stool generally cannot be emptied at once, except in specific cases, such as food poisoning, severe constipation and other cases, the application of enemas to empty the intestinal tract of residual stool at once, but this needs to be done under the guidance of a professional physician. The main ingredient of the so-called stool-clearing supplements on the market is laxatives, which can cause gastrointestinal dysfunction over a long period of time, leading to colorectal melanosis and even intestinal cancer. You can help defecate through diet adjustment, exercise and other ways: a. Diet adjustment: for some people with constipation, or want to promote defecation, the staple food can choose to eat yams, corn, buckwheat and other coarse grains, eat more kelp, celery, cabbage and other foods rich in dietary fiber, you can also supplement some fruits containing more fiber, such as dragon fruit, bananas, etc., these foods can meet the body’s needs. At the same time can also promote intestinal peristalsis, promote bowel movements. Second, exercise regulation: 1, squat and anal: in daily life, when resting, you can squat and anal exercise, which helps exercise the abdomen and sphincter strength, can improve and help defecation; 2, stretching exercises: sitting on the ground, legs straight, feet together, grab the feet with both hands, try to make the face close to the knees. Then release the thighs, sit straight and inhale, contract the anus, and then slowly relax. In this process, the abdomen is squeezed, coupled with the contraction of the anus action, not only to exercise the abdominal muscles, but also to form a defecation reflex; 3, prone leg lift: prone, with arms gently pad under the waist, lightly lift the chin deep inhalation, and lift one leg, the other leg to maintain the level. Hold this position for a few seconds, exhale and lower the leg. Do it again and again with a different leg. This posture can promote blood circulation in the sciatic nerve, and more practice will make bowel movements smoother.