Menstrual stomach pain is mainly caused by excessive secretion of prostaglandins in the body causing uterine contraction, can be relieved by warmth, rest and medication for pain relief. 1. Keep warm: women should pay attention to the waist and abdomen when menstruating to keep warm, can drink more hot water to ease the pain. 2. Rest: Women should rest more when they have menstruation, do not stay up late and avoid strenuous exercise. 3. Drugs: If you can not relieve the pain through the above methods, you can take painkillers, such as ibuprofen, estrogen and progesterone combination of short-acting contraceptives, but should be taken under the guidance of a doctor do not take without authorization. If the stomach is painful every time you have your period, it is recommended that you can go to the hospital for examination to rule out organic pathology.