Running abdominal pain may be caused by muscle spasm, gastrointestinal spasm. 1. Muscle spasm: mainly due to the tension and spasm of respiratory-related muscles caused by exercise, abdominal pain occurs. These are related to inadequate preparation before exercise or inappropriate breathing methods during running, and it is recommended to adjust the breathing rhythm appropriately. 2. Gastrointestinal spasm: strenuous exercise running, may cause gastrointestinal tract stimulation, caused by the patient’s gastrointestinal hyperperistalsis, which caused gastrointestinal spasms appear running abdominal pain phenomenon. Especially after eating, the pain is more obvious and easier to appear. If running abdominal pain is more serious patients are recommended to go to the hospital in time, under the guidance of the doctor for treatment.