Breast pain is a relatively common symptom in women, and there are several common causes: 1, before menstruation, because of progesterone stimulation of breast cell hyperplasia, breast pain is likely to occur. But this kind of pain symptom will disappear soon until menstruation.2. Breast hyperplasia is another main cause of breast swelling and pain, this kind of pain has little relation with menstrual cycle, and you can feel the surface of the breast is uneven and nodular, you can diagnose it by doing ultrasound, and then apply the Easy Pill, Breast Fetish Elimination, and Xia Ku Cao capsule to treat it.3. Breast tumors, such as mammary fibroids or breast cancers, can also be present, and they can also cause breast swelling and pain. Breast swelling and pain can occur, and hard knots or lumps can be felt. If you have breast swelling and pain, you should be vigilant and go to the hospital for ultrasound examination to rule out whether there is organic lesions, and then you can treat the symptoms. Normally, you should pay attention to the regularity of work and rest, can not stay up late, avoid mood swings and anxiety.