Escherichia coli does not cause bowel problems. Escherichia coli is an important normal flora in the intestinal tract. Escherichia coli is contagious and can be spread by fecal-oral means through contaminated food, water, and surfaces of objects. Infection with Escherichia coli may lead to symptoms of gastroenteritis such as diarrhea, nausea, vomiting, and abdominal pain; septic infections and extra-intestinal illnesses such as urinary tract infections can also occur, but it does not lead to difficulty in defecation. Difficulty in defecation may be caused by hemorrhoids, constipation, intestinal diseases, etc. If there is difficulty in defecation, you can further check the blood routine, stool routine, colonoscopy, bacterial isolation culture and other items to find out the cause of the cause, to clarify the diagnosis, and active treatment.