Stomach pain during menstruation may be caused by physiological reasons, but also can not be ruled out pathological reasons. During menstruation, the hormone level changes in the body, the secretion of prostaglandins is more, which will lead to gastrointestinal tract dysfunction, so the stomach pain, this situation is physiological, do not need special treatment, after menstruation will disappear on its own. Stomach pain during menstruation can also be caused by not paying attention to the usual eating habits, often eat spicy, stimulating food or eat cold food, resulting in a burden on the stomach function, so that the stomach pain. If the stomach pain is caused by a disease, you need to go to the hospital for a gastroscopy in time, take medication under the guidance of the doctor to regulate, and pay attention to a light diet during menstruation, not to eat cold and stimulating food.