Gastroenteritis is categorized into acute gastroenteritis and chronic gastroenteritis. Acute gastroenteritis caused by abdominal pain by active treatment usually in 1-2 days can be improved, chronic gastroenteritis after treatment will also be improved in 1-2 days, but easy to recur. Acute gastroenteritis is mostly caused by improper diet, drug stimulation and other reasons, mainly manifested as abdominal pain, diarrhea, nausea, vomiting and other symptoms. Patients given to improve the diet, rehydration, antispasmodic pain, adjust the intestinal flora after the symptoms can be improved, usually 1-2 days abdominal pain will disappear. Chronic gastroenteritis is mainly due to the chronic inflammation of the gastrointestinal tract, and its triggering factors and diet, medication and intestinal immune function has a clear relationship. Diarrhea, abdominal pain and other symptoms may occur when the above factors are present, and the abdominal pain can be relieved after active treatment with gastrointestinal mucosal protection, antispasmodic and analgesic therapy, which takes about 1-2 days, but may recur when there are triggers. Therefore, abdominal pain caused by gastroenteritis should first improve the diet to avoid food irritation of the gastrointestinal mucosa and aggravate the symptoms of abdominal pain, and at the same time to remove other triggers, and active symptomatic treatment. Those whose symptoms cannot be relieved should seek prompt medical attention.