If dehydration and other serious symptoms do not occur, gastroenteritis does not need to be infused, if dehydration and other serious symptoms occur, gastroenteritis should be infused. 1. No infusion: gastroenteritis without dehydration and other serious symptoms, that is, mild gastroenteritis, you can not infusion. Because the economic burden of infusion will be higher, and easy to have infusion reaction, phlebitis and other adverse reactions. General to be medication can be, can take atropine and other antispasmodic painkillers, omeprazole and other gastric mucosal protective agents. 2. With infusion: gastroenteritis occurs dehydration and other serious symptoms, that is, more severe gastroenteritis. This dehydration requires rapid rehydration of fluids, which cannot be done in time with other treatments, and can be done quickly with fluids by infusion. Infusion rehydration is to avoid further progression of the disease and the occurrence of water electrolyte disorders. Therefore, gastroenteritis occurs dehydration and other serious symptoms, to infusion. The occurrence of gastroenteritis is recommended to consult a doctor in a timely manner, under the guidance of a doctor to clarify the cause of the disease, to take the appropriate treatment, to avoid self-medication to delay the condition.