Physiologic and pathologic causes should be considered. Physiological causes include late pregnancy, eating irritating food, etc. Pathological causes include acute enteritis, ulcerative proctitis, irritable bowel syndrome, rectal masses, etc. 1. Physiological causes: for example, the uterus can press the rectum due to the enlargement of the uterus in the middle and late stages of pregnancy, resulting in constipation symptoms, the patient may have a willingness to defecate, but difficult to defecate; such as eating irritating foods such as chili peppers, mustard and other stimulating foods, can stimulate intestinal peristalsis, diarrhea, pain in defecation and other symptoms. 2. Pathological causes: such as acute enteritis can have fever, diarrhea and other symptoms; such as ulcerative proctitis can have mucus, pus and blood stools, diarrhea and constipation alternately, and other symptoms; such as irritable bowel syndrome can have abdominal distension, intestinal sounding, and other symptoms; such as rectal swelling can have blood in the stool, fatigue and other symptoms. For the case of always wanting to poop, it is recommended to consult a doctor to clarify the cause.