Tummy pain and a little diarrhea can be caused by improper diet, bad mood, digestive system diseases such as acute gastroenteritis and gynecological diseases such as gynecological inflammation and gynecological tumors, which need to be treated according to the cause. I. Non-disease factors 1. Inappropriate diet: stomach pain and diarrhea can occur after eating cold and stimulating or bacterially contaminated food, which can be accompanied by nausea and vomiting, etc. You can use safranin hydrochloride and norfloxacin for treatment, eat easily digestible rice soup and fish soup, and avoid greasy and spicy food; 2. Bad mood: anxiety and depression can trigger intestinal problems, such as irritable bowel syndrome, with symptoms of stomach pain and diarrhea, without intestinal organic lesions, you can use pivetonium bromide to relieve symptoms, anxious people can use sedatives such as diazepam to relieve, and timely psychological intervention to eliminate negative emotions. Second, digestive system diseases 1, acute gastroenteritis: mostly caused by viral or bacterial infections, often accompanied by myalgia, headache, nausea, vomiting, stomach pain, diarrhea, etc., montelukast and probiotic preparations can relieve symptoms, commonly used antibiotics such as norfloxacin, ciprofloxacin, etc., generally do not need to fast, severe vomiting requires immediate rehydration to avoid water electrolyte disorders; 2, other: Crohn’s disease, peptic ulcer, etc. The diagnosis can be confirmed by colonoscopy, and treatment can be taken for the cause after diagnosis. Third, gynecological diseases 1, gynecological inflammation: such as pelvic inflammatory disease, inflammatory stimulation of the adjacent intestinal tract caused by peristalsis accelerated, resulting in stomach pain, while producing stool, may appear a little diluted performance, accompanied by abnormal vaginal bleeding, fever. Treatment is usually broad-spectrum antibiotics such as metronidazole, levofloxacin, etc. In severe cases, the lesions need to be surgically removed. 2. Gynecological tumors: such as uterine fibroids, the enlarged fibroids can compress the surrounding intestines to produce stomach pain and diarrhea, accompanied by increased menstrual volume, irregular periods and anemia. Asymptomatic people should be reviewed regularly, and serious cases should be surgically removed.