Stomach pain during menstruation is often caused by dysmenorrhea, improper diet, excessive gastrointestinal motility, acute gastritis, endometriosis. It is recommended that appropriate treatment and treatment be given according to the specific cause, which is generally more effective. Common causes and treatments 1, dysmenorrhea: abdominal pain caused by physiological dysmenorrhea, and then the pain radiates to the stomach, causing stomach pain. In this case, you can apply hot compresses to the abdomen to relieve the spasm and reduce the pain symptoms. If the pain is heavy, pain medication can be taken under the guidance of a doctor to relieve the symptoms of dysmenorrhea, in addition, attention should be paid to keeping warm and avoiding cold. 2, improper diet: eating cold food during menstruation, which leads to stomach cramps and stomach pain. It is recommended to drink brown sugar and ginger water to warm the stomach, or use hot water bags or warm towels to warm the stomach to promote local blood circulation and relieve pain symptoms; 3, excessive gastrointestinal motility: due to the increased level of estrogen in the body during menstruation, resulting in excessive gastrointestinal motility, which causes stomach pain symptoms. This condition is caused by physiological factors, no special treatment is needed, usually after the period can be self-relieved; 4, acute gastritis: improper diet, excessive stress, excessive tension, fear, etc., during the period can trigger acute gastritis, which can cause symptoms of stomach pain. You can drink hot milk, or take oral drugs to protect the gastric mucosa, such as aluminum thioglycollate, are conducive to relieving the symptoms of stomach pain; 5, endometriosis: in individual cases, endometriosis to the upper abdomen, may appear during menstruation epigastric pain, need gynecological further diagnosis. Precautions during menstruation should pay attention to rest, ensure sufficient sleep, eat an easily digestible liquid diet, avoid fried foods, eat more fresh vegetables and fruits, supplement multivitamins, eat regularly, avoid overeating and eating spicy, stimulating, raw and cold foods.