There is no therapeutic effect of taking lansoprazole for enteritis. Lansoprazole is a proton pump inhibitor, with acid inhibition, protection of the gastric mucosa, promote gastritis, ulcer recovery, etc., clinically can be used for the treatment of gastritis, gastric ulcers and gastroesophageal reflux disease and other gastric and duodenal diseases, and there is no therapeutic effect on enteritis. Enteritis is mainly an inflammatory disease of the intestinal mucosa, mainly manifested as abdominal pain, diarrhea and other discomforts, according to the symptoms of its discomforts, take montelukast, probiotics and other antidiarrheal treatments, such as bacterial infections, combined with oxfloxacin, norfloxacin and other antibiotics to fight infections, ulcerative colitis can be taken to the treatment of mesalazine, prednisone, infliximab and so on. Enteritis need to be timely to the hospital, under the guidance of the physician medication to avoid delays.