Burping a rotten smell and diarrhea, usually due to indigestion or acute gastroenteritis, can be under the guidance of the doctor to apply medication. 1, indigestion: eating greasy food or overeating indigestion, resulting in food accumulation in the gastrointestinal tract, can not be digested in a timely manner and excretion, burping rotten taste and diarrhea can occur. Treatment can be used to help digestion of drugs, such as gastrointestinal tablets, lactase, yeast tablets and other drugs, at the same time, should pay attention to regular diet, avoid overeating; 2, acute gastroenteritis: after eating unclean food or abdominal cold, acute gastroenteritis, hiccups and a putrid taste and diarrhea. Treatment should drink more water to replenish water, pay attention to rest or give local hot compresses. The more serious symptoms can be under the guidance of the doctor to use drugs symptomatic treatment, commonly used montelukast, loperamide hydrochloride capsules and so on. If accompanied by fever or abdominal pain, need to give norfloxacin or levofloxacin capsules orally, if the diarrhea is more frequent, recurrent, and the symptoms have not been relieved, it is necessary to improve the blood routine, ion analysis examination. If there is low potassium, low sodium, also need to give intravenous fluid infusion, supplement vitamin C, potassium chloride and calcium gluconate and other fluids, in order to prevent the occurrence of electrolyte disorders.