The swelling and pain in the breasts of menstruating women is due to the increased level of hormone secretion in the body, resulting in a swollen and painful feeling in the breasts. This is a normal physiological phenomenon that can be relieved by the following methods: 1, massage breast: you can apply lubricant on the breast and then gently massage to promote breast blood circulation to relieve breast swelling and pain; 2, hot compress breast: you can use a hot towel on the breast, which can play a role in promoting blood circulation and relieving the feeling of breast swelling and pain. But pay attention to the process of hot compresses, must master the temperature can not be too hot, too hot may lead to breast burns; 3, to maintain emotional stability: to avoid emotional instability during menstruation, otherwise it may aggravate the symptoms of pain, and to have a good rest to avoid staying up late.