There is no exact causal relationship between gastric ulcers and irregular bowel movements, and irregular bowel movements are usually a symptom of colorectal disease. Gastric ulcers are mainly inflammation of the gastric mucosa of the upper gastrointestinal tract, inflammation stimulation leads to gastric mucosa redness and swelling and other symptoms, will show stomach pain, loss of appetite, postprandial abdominal distension and other symptoms, generally does not lead to irregular bowel movements. The lack of bowel movement is mostly due to colorectal diseases, colorectal diseases such as inflammation, the colorectal fecal water, sodium, etc. absorption capacity through the colorectal feces decreases, can not be concentrated feces, will lead to the lack of bowel movement. Gastric ulcers usually do not lead to irregular bowel movements, irregular bowel movements are mostly caused by colorectal diseases, it is recommended to combine the symptoms with treatment under the guidance of a doctor.