There are many ways to relieve the pain: 1) Mastitis, the breast ducts are not accessible during the breastfeeding period leading to the accumulation of milk and mastitis, which will be accompanied by breast swelling and pain. 2) Mastitis is the most common form of breast cancer, which is the most common form of breast cancer. You need to empty the breast milk and take medication to reduce inflammation, and if there is pus, you need to puncture and drain the pus or make a surgical incision to drain the pus.2. Breast hyperplasia is related to the menstrual cycle, and there will be swelling and paroxysms of pain before or during the period, and there will be no symptom at the end of menstruation, and you need to take medication when the pain is obvious.3. Breast fibroma, a minority of people will have the pain of fibroids, and they need to be operated on at an early stage.4. Lymph nodes, lymph nodes on the chest are irritated and inflamed, and you can take medication. Lymph nodes in the chest can be irritated and inflamed, and can be treated with fluids or medication to reduce inflammation.5. Breast cancer, cancerous lumps that invade the nerves will cause pain, and need to be treated with surgery immediately and adjuvant chemotherapy if necessary.