Wearing a bra breast pain may be the underwear model is not suitable or too tight, in the breast suffered too tight underwear compression of the breast will appear pain, do not have to be treated, it is recommended to change as soon as possible for a suitable underwear, so as not to damage the health of the mammary glands. If there is no significant improvement, it is considered that it may be caused by breast hyperplasia, mostly in young and middle-aged women, when the patient’s body hormone level changes, estrogen, progesterone imbalance will lead to breast swelling and pain in the underwear will have more obvious pain, when the hormone level returns to normal pain will disappear, such as before and after menstruation, after the end of the period of the pain will be alleviated, it is recommended that you can be guided by a doctor to take lactic acid and prozac. It is recommended that you take lactofetish elimination and free pills to relieve the symptoms. If the pain worsens, it is recommended that you undergo breast ultrasound examination as soon as possible to clarify the cause.