Acute gastroenteritis is mostly caused by improper diet, overeating or unclean diet, and it usually takes about 3 days to play with a bottle, mainly through intravenous medication, in order to play the role of symptomatic treatment and replenishment of fluids. Patients with acute gastroenteritis mostly have nausea, vomiting, diarrhea and other symptoms, the lighter the general condition is good, the daily stool is less than 10 times, then you can take oral glucose electrolyte solution to replenish body fluids, while giving acid suppressants combined with probiotic treatment can be. In severe cases, the stool may be tens of times a day, with a large amount of watery mucus stool, accompanied by nausea, vomiting, low appetite and other symptoms, sometimes vomiting coffee-like substances. If hypokalemia occurs, there may be abdominal distension and systemic symptoms of toxicity, such as fever, restlessness, mental agitation, unconsciousness, and even coma. At this time, intravenous rehydration treatment is needed to correct electrolyte disorders and inject antiemetic and antispasmodic drugs, which can be gradually relieved in about 3 days. In daily life, patients should pay attention to dietary hygiene, gastroenteritis in the acute phase to a light diet, do not eat too strong, rough and spicy stimulating food, so as not to aggravate the disease.