There is no fastest treatment for acute gastritis. The effectiveness of treatment is related to the cause of the disease and individual differences, and there is no fastest way to treat it. Symptoms can be relieved through general treatment and medication. 1. General treatment: Diet should be light, which can promote gastrointestinal absorption and replenish the body’s needs. If diarrhea, nausea, vomiting and other symptoms occur, it is recommended to drink more water to ensure adequate hydration and prevent water electrolyte disorders. 2. Drug treatment: mainly for more serious acute gastroenteritis, if it is due to bacterial infection, should follow the doctor’s instructions for oral cefixime and other antibiotics; viral infection can be oral antiviral granules, ribavirin and so on. If there are diarrhea symptoms, it is recommended to take oral montelukast and other drugs to inhibit diarrhea. Acute gastritis attack, should be timely consultation, so as not to cause electrolyte imbalance and other adverse consequences, in addition, the prevention of acute gastritis, need to pay attention to personal hygiene, before and after meals need to wash their hands, and family members used to the tableware should be disinfected often, to avoid cross-infection.