Breast swelling and pain in 50-year-old women may be related to trauma, breast inflammation, breast hyperplasia, breast fibroadenoma, breast cancer and other causes. 1. Trauma: Breast swelling and pain will be felt after the breast receives trauma such as impact. 2. Breast Inflammation: If you are infected with Staphylococcus aureus, it will cause inflammation of the breast, which will lead to breast swelling and pain. 3. Breast Hyperplasia: It is usually caused by glandular hyperplasia and degenerative changes, and belongs to endocrine hormone imbalance disease. Especially when a woman is 50 years old, she is usually in the perimenopausal period, and there will be menstrual disorders and imbalance of hormone levels in the body, which will lead to the symptoms of breast swelling and pain. 4. Breast fibroadenoma: it is a benign tumor of breast, mainly caused by abnormal allergy of breast fibroadenoma to estrogen, and when the tumor grows further, it may produce compression reaction, which is manifested as breast swelling and pain. 5. Breast Cancer: Early breast cancer has no obvious symptoms, but in the late stage, irregular shape, hardness, poor mobility lumps can be touched, accompanied by the orange peel sign or dimple sign; sometimes there can be symptoms of breast swelling and pain. It is recommended that 50-year-old women with breast swelling and pain go to the hospital in time to find out the cause of the disease, and then correctly treated.