Bad gastrointestinal tract may be caused by a variety of reasons, such as abnormal gastrointestinal motility, intestinal flora, abnormal gastric acid secretion and gastric cancer, etc., according to the different causes and symptoms, take medication as prescribed by the doctor. 1, abnormal gastrointestinal motility: gastrointestinal tract peristaltic function is weakened, resulting in abdominal flatulence, constipation and other uncomfortable symptoms, can use gastrointestinal dynamics drugs such as domperidone, mosapride, cisapride and other drugs to enhance Gastrointestinal peristalsis; lactulose and polyethylene glycol can be used to adjust the lubrication of the intestinal tract. If the intestinal peristalsis is hyperactive causing diarrhea, trimebutin can be used to inhibit gastrointestinal peristalsis, which is a two-way gastrointestinal tract regulation drug; 2, intestinal flora dysbiosis: intestinal flora dysbiosis leading to diarrhea, gastroenteritis and indigestion, etc., probiotics such as lactobacillus, bifidobacteria, Bacillus licheniformis can be used to regulate; 3, abnormal gastric acid secretion: if the patient has stomach pain with acid reflux, erratic symptoms, mostly due to abnormal gastric acid secretion If the stomach pain is accompanied by vomiting blood, black stool and other symptoms, gastroscopy shows gastric ulcer or mucosal lesion with infiltration, and pathological examination shows gastric cancer, the effect of drugs is limited at this time, and surgery and chemotherapy are needed, and traditional Chinese medicine can also be used. Patients with poor gastrointestinal function should develop good dietary habits, eat mainly easy-to-digest food, pay attention to balanced nutrition, eat more fresh fruits and vegetables rich in vitamins, and promote intestinal movement. Maintain a regular lifestyle, quit smoking and drinking, avoid staying up late, and enhance your immunity.