Chest pain in the days before menstruation may be related to changes in estrogen and progesterone levels in the body, and is mostly normal. After the onset of menstruation, the symptoms of chest pain will gradually decrease or disappear, so there is no need to worry too much. Some women experience breast or chest tenderness before menstruation, which is due to fluctuations in hormone levels in the body, leading to the development of breast ducts and follicles, which in turn leads to breast tenderness or chest pain, which is often a normal phenomenon and does not require special treatment. With the onset of menstruation, hormone levels drop and the pain gradually improves. However, if breast swelling and pain, breast discomfort persists after menstruation, and there are hard lumps in the breasts, it is necessary to consider that it may be caused by breast hyperplasia and other diseases. It is recommended that patients go to the gynecology department in a timely manner for breast ultrasound and other relevant examinations to confirm the diagnosis and avoid delaying the condition. Women are advised to maintain a good mood before menstruation, exercise moderately, and avoid cold, spicy and stimulating foods to get through the menstrual cycle smoothly.