Running stomach pain, mainly consider intestinal flatulence, intestinal torsion, intestinal spasm and other reasons. 1. Intestinal flatulence: when there is a lot of gas in the stomach and intestines due to eating too fast and drinking too much water, running will cause the gas in the intestines to flow, resulting in stomach pain. 2. Intestinal torsion: it occurs mostly in the elderly, especially those who have constipation, because there are fecal matter lumps in the intestines, running will easily cause fecal matter lumps to drive the intestines to torsion, which will lead to severe abdominal pain, vomiting and other discomforts. 3. Intestinal spasm: mostly occurring in patients who run after meals, due to more gastrointestinal contents after meals, running will stimulate the gastrointestinal tract, resulting in intestinal spasm, running stomach pain. Running stomach pain, there may be other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.