Chest pain during menstruation is mostly due to fluctuations in hormone levels and poor emotions, which are normal, but may also be caused by breast diseases: 1, fluctuations in hormone levels: chest pain during menstruation may be caused by a significant increase in estrogen and progesterone in the body to stimulate the mammary glands, resulting in breast swelling and pain, chest discomfort, which is caused by physiological factors and generally does not require treatment. With the end of menstruation, the body’s hormone secretion gradually reduces, the condition will be significantly improved; 2, poor emotions: too much emotional fluctuations during menstruation, tension, anxiety, anger, will also appear breast distension, thus causing breast distension and pain, so it is recommended that patients maintain a good state of mind during menstruation, avoid excessive emotional fluctuations, in order to help alleviate the performance of chest pain; 3, breast disease: suffering from breast fibroadenoma, breast hyperplasia, or If the pain is still present during menstruation and after the disappearance of menstruation, the disease factor should be considered and it is recommended to consult the mammography department as soon as possible.