In general, there is no bowel movement but can be relieved to consider for gastrointestinal dysfunction and other causes. Gastrointestinal dysfunction: functional gastrointestinal disease is a group of syndromes caused by the interaction of biological, psychological, and social factors, such as abnormalities in the interaction between the intestines and the brain, and the lack of anatomical and structural abnormalities in the clinic, which manifests itself as a chronic or recurring gastrointestinal symptoms. Including functional dyspepsia, irritable bowel syndrome and so on. (1) Functional dyspepsia: refers to the non-organic disease caused by gastric and duodenal dysfunction, with recurrent postprandial fullness, early satiety, pain or burning sensation in the middle and upper abdomen as the main symptoms, which may be accompanied by diarrhea, nausea, vomiting and other symptoms. (2) Irritable bowel syndrome: abdominal pain, bloating and other abdominal discomfort are the main symptoms, accompanied by defecation habits such as frequency and/or changes in fecal character; abdominal pain is related to defecation, mostly relieved after defecation; symptoms are recurrent or chronic. No bowel movement but can also be considered for perianal nerve sensory abnormalities and other conditions caused by the suggestion of timely medical attention to clarify the diagnosis, targeted treatment.