Burping with a fermented odor and diarrhea may be caused by improper diet, or it may be caused by acute gastroenteritis and other pathological diseases. The doctor should improve the diet structure according to the cause and apply levofloxacin, bifidobacterium quadruple live bacterial capsule, domperidone and so on. 1. Physiological causes: often caused by cold stomach and improper diet, such as consuming too much spicy stimulation, too cold food, should pay attention to warmth, regular diet, do not overeat, avoid spicy stimulation, too cold, greasy food, can follow the doctor’s advice to take domperidone, yeast tablets and so on to promote the digestion of food. 2. Pathological causes: the more common cause is acute gastroenteritis, often due to unhygienic diet leading to bacterial infection, causing diarrhea and burping with a fermented odor. You can follow the doctor’s instructions to apply levofloxacin, ceftriaxone and other anti-infective; domperidone, mosapride, etc. to promote gastrointestinal peristalsis; bifidobacterium tetracycline capsules to regulate intestinal flora. Burping has a fermented odor and diarrhea in the exclusion of physiological causes, should be timely to the hospital, under the guidance of the doctor’s treatment.