Failure to poop during weight loss may be caused by consuming too little fat, changing dietary habits and eating less, which can be solved by adjusting diet, changing bowel habits or using medication. The details are as follows: 1. Adjust the diet: edible oil has a certain laxative effect, and the weight loss of the population fat food intake is reduced, which is likely to lead to constipation. In this case, you should adjust your diet and increase the intake of cooking oil. In addition, due to weight loss during the food intake is less, intestinal peristalsis weakened will lead to longer intervals between defecation, you can eat some appropriate crude fiber food to promote intestinal peristalsis, to promote the smooth discharge of stools. Such as: celery, oats, corn, bean sprouts, kelp and so on. 2. Massage: patients can properly clockwise massage of the abdomen, the force should be gentle, which can promote intestinal peristalsis, so that the intestinal contents faster and easier to discharge. 3. Changing bowel habits: people who lose weight usually eat too little, so the feces are also less, which leads to a decrease in the number of bowel movements. In this case, you should increase your food intake and cultivate good defecation habits. You can practice defecation every morning, even if you don’t want to have a bowel movement, you can wait for a while to form a conditioned reflex. 4. Medications: Under the guidance of a doctor, you can take diarrhea-inducing medications, such as lactulose and so on. Therefore, in order to achieve a relatively good prognosis, any discomfort during the recovery process, go to the hospital in time for consultation and treatment.