What is the pain in the left upper abdomen?

A running time left abdominal pain is due to intestinal spasm, enteritis and gastrointestinal dysfunction and other factors caused by female patients may also be due to pelvic inflammatory disease, should be admitted to the abdominal color ultrasound examination and gastrointestinal examination. Suggestions: exercise should be carried out before warm-up exercise, and then gradually increase the amount of exercise.