The pain in the breasts when a woman is menstruating is pain produced by the changes in hormone levels in the body. Can be relieved by hot compresses, you need to use warm water, the temperature of about 45 ℃, with a wet towel localized hot compresses, the temperature to be able to tolerate as good. Time for 15-20 minutes, twice a day, in 3-5 days can slowly relieve, and even some women in the end of menstruation will subside. Localized massage can also be performed to avoid the presence of persistent pain manifestations. Be careful not to touch the nipple when massaging, so as not to aggravate the pain. After the end of menstruation, if the persistent pain, but also to attract great attention, need to go to the hospital registered mammography for breast ultrasound examination, to rule out the existence of abnormalities, if necessary, to take oral medication for treatment.