Patients with stomach pain, also a little regurgitation, vomiting, diarrhea, consider the following causes: 1, acute gastroenteritis: mostly due to improper diet, gastrointestinal mucosa damage, manifested as nausea, vomiting, abdominal pain, diarrhea, some patients accompanied by fever symptoms, mostly due to bacterial infection, then viruses and parasites and other factors, serious cases will appear dehydration and electrolyte disorders. 2, chronic gastrointestinal diseases Complicated acute symptoms: such as chronic gastritis, peptic ulcer, gastrointestinal tumor, ulcerative colitis, irritable bowel syndrome, Crohn’s disease, etc. When recurrent gastrointestinal discomfort symptoms occur, gastroscopy should be performed to clarify the cause and then give cause-specific treatment. In daily life, we should eat more warm, soft, light and easily digestible food, avoid overeating, avoid spicy, cold, greasy and other stimulating food intake, and eat less and more meals.