Acute enteritis is mostly caused by unclean diet, and how long it takes to heal is related to the severity of the disease and whether it is treated or not, most of them can gradually recover in 3-7 days. Patients with acute enteritis have an acute onset and can present with peribulbar abdominal pain, diarrhea several to more than a dozen times a day, yellow watery stools that may be foamy or mucus, or even with a small amount of pus and blood. There may also be varying degrees of nausea, bloating, headache, weakness of the limbs, and severe diarrhea may lead to dehydration, electrolyte disorders, and even shock. In addition to oral medication, those with moderate systemic symptoms should also be given intravenous medication. In severe cases, water and electrolyte balance should be adjusted at the same time. During the treatment of acute enteritis, patients need to pay attention to bed rest, avoid fatigue and staying up late, prohibit smoking and drinking, and avoid spicy and greasy food to avoid aggravating the gastrointestinal burden.