Breast swelling can occur in the following ways: 1, trauma, breast impact heavy objects or impact, resulting in breast trauma breast may appear after the breast swelling. You can give Lovenox extended-release tablets for pain relief, towel ice packs, and mannitol to relieve swelling.2. Mastitis, breast ductal hyperplasia leading to breast secretion stagnation within the breast, may cause mastitis leading to breast swelling, elevated body temperature, if the body temperature is <38.5 ℃ you can use a towel or alcohol to rub the forehead and armpits, the body temperature is >38.5 ℃ you can orally ibuprofen suspension to cool down, and at the same time you can use a towel to ice packs with massage techniques to eliminate the swelling.3. 3, breast hyperplasia, rapid rise in estrogen may lead to breast hyperplasia, usually accompanied by breast nodules, it is recommended to consult a formal hospital to clarify the nature of the nodules and breast hyperplasia, and then formulate a treatment plan.