Acute gastritis is clinically common after eating food contaminated with bacterial toxins and generally has an acute onset. The fever caused by acute gastritis is mostly due to a self-protective reflex of the body’s immune system stimulated by inflammation. The treatment is as follows: 1, belong to the low-heat situation can be appropriate to choose physical cooling methods for treatment, such as warm water, alcohol wipe body vascular rich parts to help reduce fever, but also available ice bags on the forehead, neck, armpits, can play a cooling effect. However, avoid placing it on the abdomen, it will cause discomfort and even aggravate the condition; 2, more than moderate fever can be treated with drugs, commonly used ibuprofen, aspirin and other drugs; 3, if combined with enteritis also need to be treated with antibiotics, antispasmodic and analgesic drugs and antidiarrheal drugs, and oral rehydration salts or infusion to correct the symptoms of dehydration is conducive to reducing fever.