The stomach pain and diluted water all the time are mostly considered to be acute enteritis, if combined with nausea and vomiting, it may be due to acute gastroenteritis. The above two diseases may be related to unclean diet and abdominal cold, mainly caused by infection of the intestine by viruses, bacteria and other pathogenic microorganisms, it is recommended to visit the hospital, and the doctor will provide targeted treatment according to the specific situation. If the patient’s stomach pain and diluted water is serious, the doctor will first carry out anti-pain and anti-diarrhea treatment, and at the same time will improve the blood routine, stool routine and other related tests to identify the pathogen, and choose the appropriate antibiotics for the drug sensitivity results. If there is an increase of white blood cells in the stool routine, it indicates the presence of inflammatory infection, and anti-inflammatory treatment, such as the application of norfloxacin, needs to be carried out under the guidance of the doctor. At the same time, electrolyte examination should be improved to clarify whether there is dehydration and electrolyte disorder. If low blood potassium and sodium are indicated, it is recommended to promptly administer fluids to replenish the lost water and electrolytes. During the treatment, patients need to drink warm water to replenish water; eat easy-to-digest and light food, avoid eating cold, greasy, spicy and stimulating food; pay attention to dietary hygiene, wash hands regularly, pay attention to tableware hygiene; pay attention to abdominal warmth, avoid cold.