The presence of stomach pain, diarrhea, nausea, vomiting, generally suggests acute gastroenteritis, the patient is advised to improve the routine stool examination, routine blood tests, biochemical examination, the following treatment can be carried out: 1, infusion of antibacterial agents, choose to infuse quinolone antibiotics, commonly used is levofloxacin injection. 2, the need to replenish body fluids, the patient diarrhea will lead to a large amount of fluid loss, choose intravenous infusion of glucose, intravenous If the patient is nauseous and wants to vomit, he can be treated with intravenous or intramuscular injection of Gastrofacial. During the above treatment period, it is important to closely observe the changes in the condition, pay attention to the test results, and guide the adjustment of medication.