Sudden vomiting and diarrhea in the middle of the night, this situation is considered to be acute gastroenteritis or gastrointestinal cold, directly related to eating unclean food or cold, and bacteria and viruses caused by gastrointestinal mucosal damage is also related to the need for routine stool tests and blood tests to clarify. If it is clear that it is acute gastroenteritis, it needs to be treated with compound flavonoid and levofloxacin lactate to fight infection, and usually it can be improved in 3-5 days. If the examination for gastrointestinal cold, need to use antiviral oral liquid or patchouli Zhengqi water and other drugs to treat, these two cases, if the poop or vomit out of a particularly large number of things, it will cause excessive loss of water and electrolytes in the body, need to timely infusion or oral rehydration saline solution to alleviate. In addition, at the onset of the need to take a light diet, eat less spicy, fried and other stimulating foods, be sure to quit drinking, pay attention to abdominal warmth.