Three days without pooping, if it is physiological factors such as eating less, you need to resume a normal diet; if it is a pathological factor such as constipation, you can follow the doctor’s advice to choose medication. 1. Physiological factors: some people may lose weight through dieting, food intake is relatively small, the production of food residue is relatively reduced, so there may be three days without pooping symptoms, need to resume a normal diet. 2. Pathological factors: three days no poop and constipation related, you can follow the doctor’s advice to choose medication, such as the choice of lactulose, senna, etc. to promote the discharge of stools. You can also strengthen the whole body exercise and abdominal massage, promote gastrointestinal peristalsis, and develop a good habit of regular bowel movements. Three days without stool should be timely consultation, clear cause, under the guidance of the doctor for treatment. Drugs need to follow the doctor’s instructions to use, not blindly self-use.