The main reasons for not being able to poop are constipation and intestinal obstruction, which can be relieved by drinking more water, massage, medication such as corkscrew and surgical removal. 1. Constipation: mostly caused by low water intake. Drinking more water and consuming more high-fiber food can help laxative; massage can promote bowel movement; oral laxatives such as lactulose and lubricating laxatives such as corkscrew can be used for treatment. Lactulose may cause mild abdominal pain and burning sensation. The mouth of the bottle should be smooth when using corkscrew so as not to bruise the anus or rectum. 2. Intestinal obstruction: fasting, gastrointestinal decompression, correction of water, electrolyte disorders and acid-base imbalance under the guidance of a doctor. There are signs of intestinal strangulation, must be converted to surgical treatment. The causes of intestinal obstruction also include colorectal cancer, which can lead to changes in defecation habit and fecal character, which is often the earliest symptom of this disease. Sometimes it manifests as persistent constipation, and the shape of stool becomes thin. It may also manifest as diarrhea, or alternating between diarrhea and constipation. The only radical treatment is early resection of the cancer. For those who have already had extensive cancer metastasis, palliative surgery can be performed to relieve intestinal obstruction if the diseased intestinal segment can no longer be resected. There are many causes for this symptom, if the symptom persists without relief, it is recommended to consult a doctor in time to clarify the cause of the disease under the guidance of the doctor and target the treatment, do not take medication on your own, so as to avoid delaying the condition.