Drinking river water stomach pain may be caused by germs infection, can be treated with drugs such as norfloxacin. River water contains a large number of pathogenic bacteria, direct drinking can cause bacterial infection, causing gastritis, enteritis and other diseases, abdominal pain symptoms, or may be accompanied by nausea and vomiting, black stools, belching and so on. According to the symptoms to determine what kind of pathogenic bacteria infection, the use of antibiotics such as norfloxacin, a broad-spectrum antibiotic that can kill Escherichia coli, to kill the bacteria, and the use of gastrointestinal drugs such as magnesium alumina carbonate tablets to enhance the function of the gastrointestinal tract mucosa. The use of norfloxacin drugs may cause fever, diarrhea and other discomforts, allergy is prohibited; magnesium aluminum carbonate tablets may cause constipation and other discomforts, the contraindication population is not clear. Drinking water after the stomach pain and can not be relieved need to go to the hospital in a timely manner for examination, identify the cause of the disease in the physician’s guidance under the use of medication.