The reasons for wanting to poop but not being able to do so may include insufficient intestinal motility, intestinal dysfunction and intestinal diseases. 1. Insufficient intestinal power: wanting to poop but can’t poop out may be related to insufficient intestinal power that makes intestinal peristalsis too slow. Stool in the intestines to stay too long, will make a lot of water loss, resulting in dry stool, so that want to poop but can not pull out, that is, the situation of constipation. 2. Intestinal dysfunction: Long-term poor dietary habits can lead to intestinal dysfunction, which will lead to the situation of wanting to poop but can’t poop out, and will also be accompanied by abdominal pain and diarrhea symptoms. 3. Intestinal diseases:Some intestinal diseases can cause constipation. Intestinal obstruction and intestinal tumors can cause excessive narrowing of the intestinal lumen, resulting in blockage of stool, and thus constipation. There may be other reasons why you want to poop but can’t. It is recommended that you go to the hospital in time, improve the examination to clarify the cause of the disease, and then give targeted treatment or therapy under the guidance of the doctor.